6th Grade Mathematics - Important Vocabulary Words (2023)

The mathematical vocabulary terms below can be found in the Mathworks Math Explorations textbooks.


Absolute Value

  1. The absolute value of a number is its distance from zero.
  2. For any x, |x| is defined as follows: | x |= x, if x > 0, and | x |= −x, if x < 0

Acute Angle
An angle whose measure is greater than 0 degrees and less than 90 degrees.

Acute Triangle
A triangle in which all three angles are acute angles.

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Addition Property of Equality
If a = b, then a + c = b + c. This property states that adding the same amount to both members of an equation preserves the equality.

Additive identity
A property that states that for any number x, x + 0 = x, zero is the additive identity.

Additive Inverse
For any number x, there exists a number −x, such that x + −x= 0. This means that there exists a pair of numbers (like 5 and –5) that are the same distance from zero on the number line, and when added together will always produce a sum of zero. These pairs of numbers are also sometimes called “opposites.”

Altitude of a Triangle
A segment drawn from a vertex of the triangle perpendicular to the opposite side of the triangle, called the base (or perpendicular to an extension of the base).

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An angle is formed when two rays share a common vertex.

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Area Model
A mathematical model based on the area of a rectangle, used to represent multiplication or fractional parts of a whole.

Associative Property of Addition
For any numbers x, y , and z: (x + y) + z = x + (y + z). The associative property of addition states that the order in which you group variables or numbers does not matter in determining the final sum.

Associative Property of Multiplication
For any numbers x, y , and z: (xy) z = x (yz). The associative property of multiplication states that the order in which you group variables or numbers does not matter in determining the final product.

A distinguishing characteristic of an object. For instance, two attributes of a triangle are angles and sides.

A number line in a plane. Plural form is axes. Also see: Coordinate Plane.

Bar Graph
A graph in which rectangular bars, either vertical or horizontal, are used to display data.

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  1. If any number x is raised to the nth power, written as x^n, x is called the base of the expression;
  2. Any side of a triangle;
  3. Either of the parallel sides of a trapezoid;
  4. Either of the parallel sides of a parallelogram.

Box and Whisker Plot
For data ordered smallest to largest the median, lower quartile and upper quartile are found and displayed in a box along a number line. Whiskers are added to the right and left and extended to the least and greatest values of the data.

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Cartesian Coordinate System
See: Coordinate Plane

Center of a Circle
A point in the interior of the circle that is equidistant from all points of the circle.

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A segment whose endpoints are points of a circle.

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The set of points in a plane equidistant from a point in the plane.

The distance around a circle. Its length is the product of the diameter of the circle and pi.

In the product of a constant and a variable the constant is the numerical coefficient of the variable and is frequently referred to simply as the coefficient.

Common Denominator
A common multiple of the denominators of two or more fractions. Also see: Least Common Denominator

Common Factor
A factor that two or more integers have in common. Also see: Greatest Common Factor.

Common Multiple
See: Least Common Multiple.

The complement of a set E is a set of all the elements that are not in E.

Complementary Angles
Two angles are complementary if the sum of their measures totals 90 degrees.

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Composite Number
A prime number is an integer p greater than 1 with exactly two positive factors: 1 and p. A composite number is an integer greater than 1 that has more than two positive factors. The number 1 is the multiplicative identity; that is, for any number n, n · 1 = n. The number 1 is neither a prime nor a composite number.

Compound Event
A subset of a sample space containing two or more outcomes.

Concentric circles
Circles with the same center and in the same plane that have different radii.

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A three-dimensional figure with a circular base joined to a point called the apex.

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Used to refer to angles or sides having the same measure and to polygons that have the same shape and size.

An assumption that is thought to be true based on observations.

A fixed value.

A number assigned to each point on the number line which shows its position or location on the line. In a coordinate plane the ordered pair, (x,y), assigned to each point of the plane, shows the point’s position in relation to the x-axis and y-axis.

Coordinate Plane
A plane that consists of a horizontal and vertical number line, intersecting at right angles at their origins. The number lines, called axes, divide the plane into four quadrants. The quadrants are numbered I, II, III, and IV beginning in the upper right quadrant and moving counterclockwise.

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A circular movement opposite to the direction of the movement of the hands of a clock.

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Counting Numbers
The counting numbers are the numbers in the following never-ending sequence: 1, 2, 3, 4, 5, 6, 7... We can also write this as +1, +2, +3, +4, +5, +6, +7,... These numbers are also called the positive integers or natural numbers.


  1. A three-dimensional shape having six congruent square faces.
  2. The third power of a number.
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A three-dimensional figure with parallel circular bases of equal size joined by a lateral surface whose net is a rectangle.

A collection of information, frequently in the form of numbers.

Data Analysis
The process of making sense of collected data.

Data Point
Each individual piece of information collected in a set of data.


  1. The circumference of a circle is divided into 360 equal parts or arcs. Radii drawnto both ends of the arc form an angle of 1 degree.
  2. The degree of a term is the sum of the exponents of the variables.
  3. A degree is also unit of measurement used for measuring temperature.

The denominator of a fraction indicates into how many equal parts the whole is divided. The denominator appears beneath the fraction bar.

A segment with endpoints on the circle that passes through its center.

The quantity that is to be divided.

Suppose that n and d are integers, and that d is not 0. The number n is divisible by d if there is an integer q such that n = dq. Equivalently, d is a factor of n or n is a multiple of d.

Division Algorithm
Given two positive integers a and b, we can always find unique integers q and r such that a= bq + r and 0 r < b. We call a the dividend, b the divisor, q the quotient, and r the remainder.

The quantity by which the dividend is divided.

The set of input values in a function.

A segment that joins consecutive vertices of a polygon or a polyhedron.

Members of a set.

Empirical Probability
Probability determined by real data collected from real experiments.

A math sentence using the equal sign to state that two expressions represent the same number.

Equilateral Triangle
An equilateral triangle is a triangle with three congruent sides. An equilateral triangle also has three congruent angles, which we can also call equiangular triangle.


  1. A term used to describe fractions or ratios that are equal.
  2. A term used to describe fractions, decimals, and percents that are equal.

An event is any subset of the sample space. A simple event is a subset of the sample space containing only 1 possible outcome of an experiment. A compound event is a subset of the sample space containing 2 or more outcomes.

A repeatable action with a set of outcomes.

Suppose that n is a whole number. Then, for any number x, the nth power of x, or x to the nth power, is the product of n factors of the number x. This number is usually written x^n. The number x is usually called the base of the expression x^n, and n is called the exponent.

Exponential Notation
A notation that expresses a number in terms of a base and an exponent.

A mathematical phrase like “m + 1” used to describe quantities mathematically with numbers and variables.

Each of the surface polygons that form a polyhedron.

An integer that divides evenly into a dividend. Use interchangeably with divisor except in the Division Algorithm.

The factorial of a non-negative number n is written n! and is the product of all positive integers less than or equal to n. By definition 0!= 1!= 1.

Numbers of the form m/n, where n is not zero.

The number of times a data point appears in a data set.

A function is a rule that assigns to each member of a set of inputs, called the domain, a member of a set of outputs, called the range.

Graph of a Function
The pictorial representation of a function.

Greater than, Less Than
Suppose that x and y are integers. We say that x is less than y, x < y, if x is to the left of y on the number line. We say that x is greater than y, x > y, if x is to the right of y on the number line.

Greatest Common Factor, GCF
Suppose m and n are positive integers. An integer d is a common factor of m and n if d is a factor of both m and n. The greatest common factor, or GCF, of m and n is the greatest positive integer that is a factor of both m and n. We write the GCF of m and n as GCF (m,n).

The length of the perpendicular between the bases of a parallelogram or trapezoid; also the altitude of a triangle.

Horizontal Axis
See: Coordinate Plane.

The side opposite the right angle in a right triangle.

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Improper Fraction
A fraction in which the numerator is greater than or equal to the denominator.

Independent Events
If the outcome of an event does not affect the outcome of other events.

Input Values
The values of the domain of a function.

The collection of integers is composed of the counting numbers, the negatives, and zero; ... −4, −3, −2, −1, 0, 1, 2, 3, 4...

Isosceles Triangle
A triangle with at least two sides of equal length.

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Lateral Area
The surface area of any three-dimensional figure excluding the area of any surface designated as a base of the figure.

Lattice Point
A point of the coordinate plane, (x,y), in which both x and y are integers.

Least Common Denominator
The least common denominator of the fractions p/n and k/m is the least common multiple of n and m, LCM(n, m).

Least Common Multiple, LCM
The integers a and b are positive. An integer m is a common multiple of a and b if m is a multiple of both a and b. The least common multiple, or LCM, of a and b is the smallest integer that is a common multiple of a and b. We write the LCM of a and b as LCM (a,b).


  1. The two sides of a right triangle that form the right angle.
  2. The equal sides of an isosceles triangle or the non-parallel sides of a trapezoid.
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Less than
See: Greater Than.

Line graph
A graph used to display data that occurs in a sequence. Consecutive points are connected by segments.

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Line Plot
A graph that shows frequency of data along a number line.

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Linear Model for Multiplication
Skip counting on a number line.

The average of a set of data; sum of the data divided by the number of items. Also called the arithmetic mean or average.

Measures of Central Tendency
Generally measured by the mean, median, or mode of the data set.

The middle value of a set of data arranged in increasing or decreasing order. If the set has an even number of items the median is the average of the middle two items.

Missing Factor Model
A model for division in which the quotient of an indicated division is viewed as a missing factor of a related multiplication.

Mixed fraction (Numbers)
The sum of an integer and a proper fraction.

The value of the element that appears most frequently in a data set.

Multiplicative Identity
See: Composite Numbers.

Multiplicative Inverse
The number x is called the multiplicative inverse or reciprocal of n, n ≠ 0, if x · n = 1.

Natural Numbers
See: Counting Numbers.

Negative Integers
Integers less than zero.

A technical system of symbols used to convey mathematical information.

Number Line
A pictorial representation of numbers on a straight line.

The expression written above the fraction bar in a common fraction to indicate the number of parts counted.

Obtuse Angle
An angle whose measure is greater than 90 degrees and less than 180 degrees.

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Obtuse Triangle
A triangle that has one obtuse angle.

Order Of Operations
The order of mathematical operations, with computations inside parentheses to be done first, and addition and subtraction from left to right done last.

Ordered Pair
A pair of numbers that represent the coordinates of a point in the coordinate plane with the first number measured along the horizontal scale and the second along the vertical scale.

The point with coordinate 0 on a number line; the point with coordinates (0,0) in the coordinate plane.

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The set of possible results of an experiment.

A term referring to a value that is drastically different from most of the other data values.

Output Values
The set of results obtained by applying a function rule to a set of input values.

Parallel Lines
Two lines in a plane that never intersect.

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A parallelogram is a four-sided figure with opposite sides parallel.

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A way of expressing a number as parts out of 100; the numerator of a ratio with a denominator of 100.

Perfect Cube
An integer n that can be written in the form n= k³, where k is an integer.

Perfect Square
An integer n that can be written in the form n= k², where k is an integer.

The perimeter of a polygon is the sum of the lengths of its sides.

Two lines or segments are perpendicular if they intersect to form a right angle.

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The ratio of the circumference to the diameter of any circle, represented either by the symbol π, or the approximation 22/7 , or 3.1415926...

Pie (Circle) Graph
A graph using sectors of a circle that are proportional to the percent of the data represented.

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A simple, closed, plane figure formed by three or more line segments.

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A three-dimensional figure with four or more faces, all of which are polygons.

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Positive Integers
See: Counting Numbers.

See: Exponent.

Prime Number
See: Composite Number.

Prime Factorization
The process of finding the prime factors of an integer. The term is also used to refer to the result of the process.

A type of polyhedron that has two bases that are both congruent and parallel, and lateral faces which are parallelograms.

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In an experiment in which each outcome is equally likely, the probability P(A) of an event A is m/n where m is the number of outcomes in the subset A and n is the total number of outcomes in the sample space S.

Proper Fraction
A fraction whose value is greater than 0 and less than 1.

An equation of ratios in the form a/b = c/d, where b and d are not equal to zero.

An instrument used to measure angles in degrees.

See: Coordinate Plane.

A plane figure with four straight edges and four angles.

The result obtained by doing division. See the Division Algorithm for a different use of quotient.

The distance from the center of a circle to a point on the circle. Plural form is radii.

The difference between the largest and smallest values of a data set. See Function for another meaning of range.

A rate is a division comparison between two quantities with different units. Also see Unit Rate.

A division comparison of two quantities with or without the same units. If the units are different they must be expressed to make the ratio meaningful.

Rational Number
A number that can be written as a/b where a is an integer and b is a natural number.

Part of a line that has a starting point and continues forever in only one direction.

See: Multiplicative Inverse.

Regular Polygon
A polygon with equal side lengths and equal angle measures.

Relatively Prime
Two integers m and n are relatively prime if the GCF of m and n is 1.

See: Division Algorithm.

Repeating Decimal
A decimal in which a cycle of one or more digits is repeated infinitely.

Right Angle
An angle formed by the intersection of perpendicular lines; an angle whose measure is 90º.

Right Triangle
A triangle that contains a right angle.

Sample Space
The set of all possible outcomes of an experiment.

A method of division in which partial quotients are computed, stacked, and then combined.

Scalene Triangle
A triangle with all three sides of different lengths is called a scalene triangle.

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  1. A process by which a shape is reduced or expanded proportionally.
  2. Choosing the unit of measure to be used on a number line.

A part of a circle that represents the interior portion of the circle between two radii.

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A list of terms ordered by the natural numbers.

A collection of objects or elements.

Simple Event
See: Event

Simplest Form of a Fraction
A form of a fraction in which the greatest common factor of the numerator and denominator is 1.

The process of finding equivalent fractions to obtain the simplest form.

An uneven representation of a set of data.

Slant Height
An altitude of a face of a pyramid or a cone.

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Square Root
For non-negative numbers x and y, y= x , read “y is equal to the square root of x,” means y²= x.

Stem and Leaf Plot
A method of showing the frequency of a certain data by sorting and ordering the values.

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Straight Angle
An angle with a measure of 180 degrees formed by opposite rays.

Set B is a subset of set A if every element of set B is also an element of set A.

Two angles are supplementary if the sum of their measures totals 180º.

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Surface Area
The surface area of a three-dimensional figure is the area needed to form its exterior.

Terminating Decimal
If the quotient of a division problem contains a remainder of zero, the quotient is said to be a terminating decimal.

Tiling of a plane with one or more shapes as a way of covering the plane with the shape(s) with no gaps or overlaps.

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Theoretical Probability
Probability based on thought experiments rather than a collection of data.

A transformation that slides a figure a certain distance along a line in a specified direction.

A four sided plane figure with exactly one set of parallel sides.

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Tree Diagram

  1. A process used to find the prime factors of an integer.
  2. A method to organize the sample space of compound events.

A plane figure with three straight edges and three angles.

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A property stating that exactly one of these statements is true for each real number: it is positive, negative, or zero.

Unit Fraction
For an integer n, the multiplicative inverse or reciprocal of n is the unit fraction 1/n. 1/n is said to be a unit fraction because its numerator is 1.

Unit Rate
A ratio of two unlike quantities that has a denominator of 1 unit.

A letter or symbol that represents an unknown quantity.

Venn Diagram
A diagram involving two or more overlapping circles that aids in organizing data.

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  1. The common endpoint of two rays forming an angle.
  2. A point of a polygon or polyhedron where edges meet.

Vertical Angles
A pair of angles of equal measure less than 180° that are formed by opposite rays of a pair of intersecting lines.

Vertical Axis
See: Coordinate Plane.

A measure of space; the number of unit cubes needed to fill a three-dimensional shape.

Whole Numbers
The whole numbers are the numbers in the following never-ending sequence: 0, 1, 2, 3, 4, 5, .... These numbers are also called the non-negative integers.

The horizontal axis of a coordinate plane.

The vertical axis of a coordinate plane.

The first number provided in an ordered pair (a, b).

The second number provided in an ordered pair (a, b).


What vocabulary words should a 6th grader know? ›

List 6
  • apparent.
  • chronological.
  • commotion.
  • controversy.
  • diminish.
  • flammable.
  • frigid.
  • impair.

What are the most important math standards for 6th grade? ›

A critical area of instruction in grade six is to connect ratio, rate, and percentage to whole-number multiplication and division and use concepts of ratio and rate to solve problems.

How can I improve my math vocabulary? ›

5 high impact strategies to teach math vocabulary:
  1. Start with what they know and use student-friendly definitions. ...
  2. Explicitly teach new math words and give students multiple exposures to math words. ...
  3. Set up a classroom math word wall and individual math word banks. ...
  4. Use graphic organizers.
Sep 10, 2018

What are terms in math grade 6? ›

term A number, variable, product, or quotient in an expression. A term is not a sum or difference.

What is the average vocabulary of a 12 year old? ›

12 By the time a child is 12 years old, he/she will understand (have a receptive vocabulary) of about 50,000 words. Vocabulary is the basis for learning language. Educational research shows that vocabulary strongly relates to reading comprehension, intelligence, and general ability.

At what age should a child know 100 words? ›

While a non-gifted child may have a vocabulary of 150 to 300 words at age 2, gifted children may have surpassed the 100-word mark by the time they are 18 months old.

What is the fastest way to learn 6th grade math? ›

Math Practice Workbook for Grades 6-8
  1. Power of the Written Sum. ...
  2. Focus on What Stumps You. ...
  3. Practice and More Practice! ...
  4. Rewind and Refresh. ...
  5. Be Diligent and Don't Get Nervous. ...
  6. Try Mnemonics and Games. ...
  7. Teaching is Often the Best Form of Learning. ...
  8. Focus on Understanding the Underlying Concepts.
Oct 27, 2020

What should a 6th grader know by the end of the year in math? ›

Your sixth grader should confidently add, subtract, multiply, and divide multi-digit decimals, such as 43.57 + . 75 and 238.437 ÷ 35.14.

What is common core math standard 6th grade? ›

In sixth grade, students work with algebraic expressions involving exponents and variables. Students manipulate expressions, verify solutions to equations and inequalities, and algebraically solve one-step equations.

Why do I struggle with math word problems? ›

Word problems in mathematics often pose a challenge because they require that students read and comprehend the text of the problem, identify the question that needs to be answered, and finally create and solve a numerical equation.

How can I help my child with math fluency? ›

What are Ways We Can Help Students Practice their Basic Math Facts?
  1. Send home information and resources to families about math fact fluency.
  2. Send home math games for students to play with their families for homework.
  3. Play math games in class.
  4. Commit to daily practice.
  5. Listen to and sing songs.

Is vocabulary important in math? ›

Because mathematical reading is dense and each vocabulary word is conceptually-packed, it is imperative that teachers address vocabulary in their math classrooms in order to improve student comprehension and achievement.

What are key terms in math? ›

The Basic Operations
SymbolWords Used
+Addition, Add, Sum, Plus, Increase, Total
Subtraction, Subtract, Minus, Less, Difference, Decrease, Take Away, Deduct
×Multiplication, Multiply, Product, By, Times, Lots Of
÷Division, Divide, Quotient, Goes Into, How Many Times

What are 5 terms called in math? ›

An expression with 5 terms is called polynomial.

What does P mean in 6th grade math? ›

Grading System The grades of A, B, C, D and P are passing grades.

Is 5000 vocabulary enough? ›

Generally speaking, knowing an average of 2000-3000 words should be enough for everyday conversations and basic understanding (A2-B1 level). To become proficient in English, you need a vocabulary of about 5000+ words.

Is 10,000 vocabulary enough? ›

People who know 250 to 500 words are beginners. Those who know 1,000 to 3,000 words can carry on everyday conversations. Knowing 4,000 to 10,000 words makes people advanced language users while knowing more than 10,000 words puts them at the fluent or native-speaker levels.

At what age do children typically have 90% of their vocabulary? ›

Remember that the milestones on speech-language tests are based on when 90% of all children have mastered the skill. This means the majority of toddlers, usually 90%, are using 50 different words by 24 months.

What is Einstein syndrome? ›

Einstein Syndrome is the term used to characterize a child who has a speech delay but is simultaneously gifted in other areas requiring analytical thought.

At what age do you know 1,000 words? ›

At age one, children recognize about 50 words; by age three, they recognize about 1,000 words; and by age five, they recognize at least 10,000 words (Shipley & McAfee, 2015).

How many words should a 11 year old know? ›

How many words should your child know?
12-18 months20 words
4 years1,500-1,600 words
5 years2,100-2,200 words
6 years2,600 words expressive vocabulary (words they can use) 20,000-24,000 words receptive vocabulary (words they understand)
12 years50,000 words receptive vocabulary
2 more rows

What do 6th graders struggle with in math? ›

Ratio Word Problems

Ratios are one area where math meets the real world, and sometimes kids struggle with this particular aspect of math class. Ratio compares two numbers and is one of the common 6th grade math problems that can stump students. Consider this problem: “In history class, the boy to girl ratio is 5 to 8.

How do you not fail math in 6th grade? ›

Tips for Passing 6th Grade Classes
  1. Attend Class. Consistent classroom attendance is an important step for students looking to successfully pass the 6th grade. ...
  2. Take Notes. Students should work on taking careful notes during their class periods. ...
  3. Study Regularly. ...
  4. Join a Study Group. ...
  5. Hire a Tutor. ...
  6. Review Online.

Is 6th grade math hard to teach? ›

Sixth grade math class can be difficult, even for students who have done well in math previously. In sixth grade you begin to learn more advanced topics such as ratios and rates. You also work more with fractions. Sixth grade is also when you begin building the foundations of algebra, geometry, and statistics.

What math should a 11 year old know? ›

Ages 11 to 13 years: Learning math

Solve beginner's algebra and geometry. Work with easy fractions, decimals and percents. Perform more complex math problems with multiple steps. Understand concepts of weights, measures and percentages completely.

How do you get good grades in 6th grade math? ›

The most effective ways to get good grades in middle school
  1. Study smart, not hard. ...
  2. Pay more attention in class. ...
  3. Organize your life: create a study schedule. ...
  4. Ask the teacher for help if something is not clear. ...
  5. Sleep well. ...
  6. Exercise and eat well to improve your brain focus. ...
  7. Be active in class. ...
  8. Join extracurricular activities.
Aug 18, 2021

Is 6th grade harder than 7th? ›

It depends on your school. In some districts, 6th grade is the first year of middle school, while in others 6th is the last year of elementary school. Either way, the work in seventh grade isn't noticeably harder than that in sixth grade.

What do I need to know for 6th grade? ›

Organization and independence are important sixth-grade skills. Sixth graders need to understand place value and be able to work with decimals up to the hundredths place. Sixth graders have to write to provide information, to support their opinion, and to tell a story.

Is Common Core math harder? ›

Elementary school math has become more complicated since the introduction of the Common Core state standards, which require that elementary school kids not just know how to subtract, multiply and divide, but understand what they're doing and why.

What is the difference between Common Core math and regular math? ›

Traditional math instruction focuses on teaching students formulas and procedures to solve problems, whereas Common Core State Standards (CCSS) in math emphasizes understanding key concepts and skills in greater depth.

What is the disorder of math fluency? ›

Dyscalculia Definition

Dyscalculia is a math learning disability that impairs an individual's ability to learn number-related concepts, perform accurate math calculations, reason and problem solve, and perform other basic math skills. Dyscalculia is sometimes called “number dyslexia” or “math dyslexia.”

Why is my child struggling in math? ›

Disorders like dyslexia, visual or auditory processing, ADHD, and others can also impact a child's ability to meet expectations in completing math problems. It's also possible for kids who do have dyscalculia to have other learning disabilities as well. Many do.

Is vocabulary related to IQ? ›

Vocabulary is usually considered a good measure of Verbal-ability/Verbal-IQ, but may not be an accurate measure for non-native English speakers or people with unusual educational upbringings.

What is the math vocabulary maximum? ›

The largest value. The maximum of {14, 4, 16, 12} is 16.

What is the math vocabulary least common multiple? ›

LCM is the short form for “Least Common Multiple.” The least common multiple is defined as the smallest multiple that two or more numbers have in common. For example: Take two integers, 2 and 3. Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20…. Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 ….

What words should 6th graders know how do you spell? ›

Sixth Grade Spelling Words List
  • abolish.
  • absence.
  • accident.
  • adequate.
  • admissible.
  • adopt.
  • advantage.
  • adventure.

What age should a child know 200 words? ›

By age 3, a toddler's vocabulary usually is more than 200 words.

How many words should a 13 year old know? ›

Vocabulary continues to expand, often in direct relation to the amount a child reads. While a child in first grade may have between 8,000-14,000 words, a high school graduate may have upwards of 80,000.

How do you teach 6th graders vocabulary? ›

Say the word aloud and have students repeat the word. For visual support, display the words and their definitions for students to see, such as on a word wall, flip chart, or vocabulary graphic organizer. Showing pictures related to the word can be helpful, too.

What words should a 12 year old be able to spell? ›

able, aftermath, afternoon, appear, attack, attend, bicycle, breakfast, brightly, cabbage, cable, carpenter, channel, circle, climb, comfort, comical, confirm, construct, curtain, customer, damage, decide, delight, disappear, discover, empty, encourage, entertain, equal, exactly, forever, fruit, fuel, group, guard, ...

What are the 20 vocabulary words? ›

Full list of words from this list:
  • erbium. a trivalent metallic element of the rare earth group. ...
  • nanometer. a metric unit of length equal to one billionth of a meter. ...
  • transdermal. through the unbroken skin. ...
  • yttrium. ...
  • hypodermic needle. ...
  • wavelength. ...
  • epidermal. ...
  • tensile strength.

What is 30 easy spelling? ›

30 in words is written as “Thirty”.

How many words can a 12 year old read? ›

Average Reading Speed by Age and Grade Level
Grade Level and AgeWords-Per-Minute
4th Grade (Spring) 9-10 years old123 – 180 wpm
5h Grade (Spring) 10-11 years old139 – 194 wpm
6th-8th Grade (Spring) 11, 12, 13, 14 years old150 – 204 wpm
Highschool 14, 15, 16, 17, 18 years old200 – 300 wpm
5 more rows

What should a 12 year old know academically? ›

Will probably be able to:
  • Explain his logical reasoning (metacognition). ...
  • Consider ideas that are contrary to fact (e.g., what if the sun shone at night). ...
  • Understand and form analogies. ...
  • Move away from parental influence, demonstrate mood shifts (heightened emotions) and increased defiance.

How many words does a middle schooler know? ›

The average 8th grader knows 25,000 words. The average high school graduate knows 50,000 words.

At what age does a child know 500 words? ›

By 30 months, he understands 500 words. Speaks 250-500, saying them more clearly so others can understand. Uses 2 word sentences. Can begin to talk about how he feels.

How can I improve my middle school vocabulary? ›

Be sure to have a look at the comprehensive list of targeted strategies to help you teach vocabulary to your students.
  1. Take a student's perspective. ...
  2. Try using a word wall. ...
  3. Create vocabulary notebooks. ...
  4. Connect word meanings with semantic mapping. ...
  5. Make word cards. ...
  6. Encourage reading comprehension. ...
  7. Use visuals and situations.
Aug 3, 2022

How can I help my child study for a vocabulary test? ›

If your child needs help studying for a vocabulary test, give them the following tips:
  1. Ask them to write down the list of vocabulary words they are being tested on – one word per line; or make use of flashcards, with one word per flashcard.
  2. Tell them to write down the definitions of the words next to each word.

How can I practice vocabulary at home? ›

Try these vocabulary activities at home
  1. Read aloud every day. ...
  2. Bring in the nonfiction. ...
  3. Talk about new words during read alouds. ...
  4. Grocery store vocabulary. ...
  5. Start at the root. ...
  6. Consider the prefix. ...
  7. Homonym fun. ...
  8. Explore your world.


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