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algorithm

area model

common denominator

dimension

A step-by-step set of instructions for doing something, such…

A model for multiplication in which the length and width of a…

Any nonzero number that is a multiple of the denominators of…

A measure along one direction of an object, typically length,…

algorithm

A step-by-step set of instructions for doing something, such…

area model

A model for multiplication in which the length and width of a…

denominator

numerator

whole

improper fraction

The bottom number in a fraction.... Shows how many equal parts t…

The top number in a fraction.... Shows how many parts we have.

All of something. Complete.... This is a whole pizza.

fraction where the numerator (the top number) is greater than…

denominator

The bottom number in a fraction.... Shows how many equal parts t…

numerator

The top number in a fraction.... Shows how many parts we have.

dividend

divisor

multiples

quotient

The amount that you want to divide up.... Example: in 12 ÷ 3 = 4…

The number you divide by... Example: in 12 ÷ 3 = 4, 3

(1) A product of n and a counting number. For example, the mu…

The answer after you divide one number by another... Example: in…

dividend

The amount that you want to divide up.... Example: in 12 ÷ 3 = 4…

divisor

The number you divide by... Example: in 12 ÷ 3 = 4, 3

census

acute angle

arc

obtuse angle

An official count of population and the... recording of other de…

angle less than 90 degrees

A part of a circle between and... including two endpoints on the…

angle greater than 90 degrees, but less than 180 degrees

census

An official count of population and the... recording of other de…

acute angle

angle less than 90 degrees

denominator

numerator

whole

improper fraction

The bottom number in a fraction.... Shows how many equal parts t…

The top number in a fraction.... Shows how many parts we have.

All of something. Complete.... This is a whole pizza.

fraction where the numerator (the top number) is greater than…

denominator

The bottom number in a fraction.... Shows how many equal parts t…

numerator

The top number in a fraction.... Shows how many parts we have.

number model

factor

factor pair

product

represent a math problem using numbers and symbols that repre…

Numbers you can multiply to get other numbers.

two numbers that are multiplied to equal another number.

answer to a multiplication problem

number model

represent a math problem using numbers and symbols that repre…

factor

Numbers you can multiply to get other numbers.

Commutative Property

number model

rectangular array

factor

Property that says you can swap numbers around and still get…

represent a math problem using numbers and symbols that repre…

Objects arranged in rows with the same number of objects in e…

Numbers you can multiply to get other numbers.

Commutative Property

Property that says you can swap numbers around and still get…

number model

represent a math problem using numbers and symbols that repre…

census

acute angle

arc

obtuse angle

An official count of population and the... recording of other de…

angle less than 90 degrees

A part of a circle between and... including two endpoints on the…

angle greater than 90 degrees, but less than 180 degrees

census

An official count of population and the... recording of other de…

acute angle

angle less than 90 degrees

dividend

divisor

multiples

quotient

The amount that you want to divide up.... Example: in 12 ÷ 3 = 4…

The number you divide by... Example: in 12 ÷ 3 = 4, 3

(1) A product of n and a counting number. For example, the mu…

The answer after you divide one number by another... Example: in…

dividend

The amount that you want to divide up.... Example: in 12 ÷ 3 = 4…

divisor

The number you divide by... Example: in 12 ÷ 3 = 4, 3

Edge

Volume

Area

Vertex

A line segment or curve where two surfaces meet.

A measure of how much space a solid object takes up. Volume i…

The amount of surface inside a closed boundary. Area is measu…

A point where corners of shapes in a tessellation meet.

Edge

A line segment or curve where two surfaces meet.

Volume

A measure of how much space a solid object takes up. Volume i…

billion

estimate

exponential notation

extended multiplication fact

1,000,000,000, or 1,000 million

A close, rather than exact, answer; an... approximate answer to…

A way to show repeated multiplication by the same factor. For…

A multiplication fact involving multiples of 10, 100, and so…

billion

1,000,000,000, or 1,000 million

estimate

A close, rather than exact, answer; an... approximate answer to…

line plot

maximum

median

minimum

A sketch of data in which check marks,... Xs, or other symbols a…

The largest amount; the greatest... number in a set of data.

The middle value in a set of data when the data are listed in…

The smallest amount; the smallest... number in a set of data.

line plot

A sketch of data in which check marks,... Xs, or other symbols a…

maximum

The largest amount; the greatest... number in a set of data.

area model

dividend

divisor

expanded form

A model for multiplication in which the length and width of a…

The number being divided

The number that divides another number

300 + 50 + 5 = 356

area model

A model for multiplication in which the length and width of a…

dividend

The number being divided

Algebraic Expression

Circumference

Coordinates

Diameter

a combination of variables, numbers, and at least one operati…

The distance around a circle

Where something is located on a coordinate plane

The distance across a circle through the middle

Algebraic Expression

a combination of variables, numbers, and at least one operati…

Circumference

The distance around a circle

denominator

numerator

whole

improper fraction

The bottom number in a fraction.... Shows how many equal parts t…

The top number in a fraction.... Shows how many parts we have.

All of something. Complete.... This is a whole pizza.

fraction where the numerator (the top number) is greater than…

denominator

The bottom number in a fraction.... Shows how many equal parts t…

numerator

The top number in a fraction.... Shows how many parts we have.

billion

estimate

exponential notation

extended multiplication fact

1,000,000,000, or 109; 1,000 million

A close, rather than exact, answer; an... approximate answer to…

A way to show repeated multiplication by the same factor. For…

A multiplication fact involving multiples of 10, 100, and so…

billion

1,000,000,000, or 109; 1,000 million

estimate

A close, rather than exact, answer; an... approximate answer to…

bar graph

circle or pie graph

denominator

numerator

a graph with horizontal or vertical bars that represent data

a graph in which a circle and its interior are divided into s…

in a part-whole faction, the number of equal parts into which…

in a part-whole fraction, the number of equal parts being con…

bar graph

a graph with horizontal or vertical bars that represent data

circle or pie graph

a graph in which a circle and its interior are divided into s…

bar graph

benchmark

circle (pie) graph

denominator

a graph with horizontal or vertical bars that represent data

a well-known count or measure that can be used to evaluate th…

a graph in which a circle and its interior are divided into s…

the nonzero divisor "b" in a fraction a/b. The number of equa…

bar graph

a graph with horizontal or vertical bars that represent data

benchmark

a well-known count or measure that can be used to evaluate th…

acute angle

congruent

equilateral triangle

hexagon

an angle measuring between 0° and 90°

having the same size and shape

a triangle in which all 3 sides have the same length and all…

a polygon with 6 sides and angles

acute angle

an angle measuring between 0° and 90°

congruent

having the same size and shape

census

acute angle

arc

obtuse angle

An official count of population and the... recording of other de…

angle less than 90 degrees

A part of a circle between and... including two endpoints on the…

angle greater than 90 degrees, but less than 180 degrees

census

An official count of population and the... recording of other de…

acute angle

angle less than 90 degrees

acute angle

obtuse angle

right angle

adjacent angles

an angle that measures less than 90 degrees

an angle that measures between 90 and 180 degrees

an angle that measures 90 degrees

angles that are next to each other that have a common vertex…

acute angle

an angle that measures less than 90 degrees

obtuse angle

an angle that measures between 90 and 180 degrees

bar graph

circle graph

denominator

equivalent fractions

A graph that uses horizontal or vertical bars to represent da…

A graph in which a circle and its interior are divided throug…

The number below the line in a fraction. In a fraction repres…

Fractions that have different denominators but name the same…

bar graph

A graph that uses horizontal or vertical bars to represent da…

circle graph

A graph in which a circle and its interior are divided throug…

Bar graph

Circle graph

Denominator

Equivalent fractions

A graph that uses horizontal or vertical bars to represent dara

A graph in which a circle and it's interior are divided throu…

The number below the line in a fraction

Fractions that have different denominators but name the same…

Bar graph

A graph that uses horizontal or vertical bars to represent dara

Circle graph

A graph in which a circle and it's interior are divided throu…

denominator

numerator

whole

improper fraction

The bottom number in a fraction.... Shows how many equal parts t…

The top number in a fraction.... Shows how many parts we have.

All of something. Complete.... This is a whole pizza.

fraction where the numerator (the top number) is greater than…

denominator

The bottom number in a fraction.... Shows how many equal parts t…

numerator

The top number in a fraction.... Shows how many parts we have.

Edge

Volume

Area

Vertex

A line segment or curve where two surfaces meet.

A measure of how much space a solid object takes up. Volume i…

The amount of surface inside a closed boundary. Area is measu…

A point where corners of shapes in a tessellation meet.

Edge

A line segment or curve where two surfaces meet.

Volume

A measure of how much space a solid object takes up. Volume i…

acute angle

obtuse angle

reflex angle

right angle

angle less than 90 degrees

angle greater than 90 degrees, but less than 180 degrees

angle that measures great than 180

angle that is exactly 90 degrees

acute angle

angle less than 90 degrees

obtuse angle

angle greater than 90 degrees, but less than 180 degrees

acute angle

obtuse angle

right angle

adjacent angles

an angle that measures less than 90 degrees

an angle that measures between 90 and 180 degrees

an angle that measures 90 degrees

angles that are next to each other that have a common vertex…

acute angle

an angle that measures less than 90 degrees

obtuse angle

an angle that measures between 90 and 180 degrees

composite number

divisible by

exponent

factor

a whole number having more than two factors

One whole number is divisible by another whole number if the…

the small, raised number in exponential notation that tells h…

A number that is multiplied by another number to find a product

composite number

a whole number having more than two factors

divisible by

One whole number is divisible by another whole number if the…

factor

estimate

magnitude estimate

digits

numbers that are multiplied together to give a product

consider the value of the numbers and think of an answer clos…

An estimate to what place value the answer will reach

Symbols for numbers of things. There are 10 of these used to…

factor

numbers that are multiplied together to give a product

estimate

consider the value of the numbers and think of an answer clos…

bar graph

circle or pie graph

denominator

numerator

a graph with horizontal or vertical bars that represent data

a graph in which a circle and its interior are divided into s…

in a part-whole faction, the number of equal parts into which…

in a part-whole fraction, the number of equal parts being con…

bar graph

a graph with horizontal or vertical bars that represent data

circle or pie graph

a graph in which a circle and its interior are divided into s…

denominator

numerator

whole

improper fraction

The bottom number in a fraction.... Shows how many equal parts t…

The top number in a fraction.... Shows how many parts we have.

All of something. Complete.... This is a whole pizza.

fraction where the numerator (the top number) is greater than…

denominator

The bottom number in a fraction.... Shows how many equal parts t…

numerator

The top number in a fraction.... Shows how many parts we have.

benchmark

centimeter

denominator

numerator

a count or measure that can be used to evaluate the reasonabl…

a metric unit of length equivalent to 10 millimeters

the digit in a fraction that represents the number of equal p…

the digit in a fraction that represents the number of equal p…

benchmark

a count or measure that can be used to evaluate the reasonabl…

centimeter

a metric unit of length equivalent to 10 millimeters

acute angle

adjacent angles

congruent

equilateral triangle

An angle with a measure greater than 0 degrees and less than…

Two angles that share a side and a vertex and that do not oth…

Having exactly the same shape and size.

A triangle with three sides the same length and three equal a…

acute angle

An angle with a measure greater than 0 degrees and less than…

adjacent angles

Two angles that share a side and a vertex and that do not oth…

efficiency

expanded form

extrapolate

hundredths

Something that can be done quickly and easily.

A way of writing a number as the sum of values of each digit.…

To infer an unknown idea of a thing from something that is kn…

On a number line, the second space to the right of the decima…

efficiency

Something that can be done quickly and easily.

expanded form

A way of writing a number as the sum of values of each digit.…

argument

benchmark

compare

equivalent fraction

Using mathematical reasoning to show whether a statement is t…

A well-known number that can be used to check if other estima…

When two numbers or amounts are compared, there are two possi…

Fractions that name the same number. 1/2 and 4/8 are equivale…

argument

Using mathematical reasoning to show whether a statement is t…

benchmark

A well-known number that can be used to check if other estima…

accuracy

addend

algorithm

axes

As correct as possible for the situation.

Any one of a set of numbers that are added.

A set of step-by-step instructions for doing something, such…

Either of the two number lines that intersect to form a coord…

accuracy

As correct as possible for the situation.

addend

Any one of a set of numbers that are added.

rectangular array

square array

square number

formula

an array that forms a rectangle

an array that has the same number of rows as columns

a product of a counting number multiplied by itself

a general rule for finding the value of something; for exampl…

rectangular array

an array that forms a rectangle

square array

an array that has the same number of rows as columns

census

acute angle

arc

obtuse angle

An official count of population and the... recording of other de…

angle less than 90 degrees

A part of a circle between and... including two endpoints on the…

angle greater than 90 degrees, but less than 180 degrees

census

An official count of population and the... recording of other de…

acute angle

angle less than 90 degrees

denominator

numerator

whole

improper fraction

The bottom number in a fraction.... Shows how many equal parts t…

The top number in a fraction.... Shows how many parts we have.

All of something. Complete.... This is a whole pizza.

fraction where the numerator (the top number) is greater than…

denominator

The bottom number in a fraction.... Shows how many equal parts t…

numerator

The top number in a fraction.... Shows how many parts we have.

rectangular array

square array

square number

formula

an array that forms a rectangle

an array that has the same number of rows as columns

a product of a counting number multiplied by itself

a general rule for finding the value of something; for exampl…

rectangular array

an array that forms a rectangle

square array

an array that has the same number of rows as columns

billion

estimation

extended multiplication fact

exponent

the number that is represented as a one followed by 9 zeros (…

making an educated guess at a measurement or amount

A multiplication fact involving multiples of 10,100, and so o…

the number of times a quantity (amount) is multiplied by itself

billion

the number that is represented as a one followed by 9 zeros (…

estimation

making an educated guess at a measurement or amount

billion

estimate

exponential notation

lattice multiplication

1,000,000,000 or 10^9 or 1,000 million

A close, rather than exact, answer; an approximate answer to…

A way to show repeated multiplication by the same factor. For…

A very old way to multiply multidigit numbers. You write the…

billion

1,000,000,000 or 10^9 or 1,000 million

estimate

A close, rather than exact, answer; an approximate answer to…

Acute Angle

Adjacent Angles

Axis

Bisect

An angle less than 90 degrees but more than 0 degrees

Angles that have a common side and a common vertex (corner po…

Either of the two number lines used to form a coordinate grid.

To divide into two equal parts

Acute Angle

An angle less than 90 degrees but more than 0 degrees

Adjacent Angles

Angles that have a common side and a common vertex (corner po…

magnitude estimate

maximum

mean

median

a very rough estimate. It tells if the answer should be in te…

The largest amount; the greatest number in a set of data

The sum of a set of numbers divided by the number of numbers…

The middle value in a set of data when the data is listed in…

magnitude estimate

a very rough estimate. It tells if the answer should be in te…

maximum

The largest amount; the greatest number in a set of data

line plot

maximum

mean

sum

sketch of data in which check marks, Xs, or other symbols abo…

the largest amount; greatest number in a data set

the average of a set of number; the sum of the numbers divide…

value when you add numbers or variables 4 + 5 = 9 and 9 is th…

line plot

sketch of data in which check marks, Xs, or other symbols abo…

maximum

the largest amount; greatest number in a data set

acute angle

adjacent angles

congruent

equilateral triangle

An angle with a measure greater than 0 degrees and less than…

Two angles that share a side and a vertex and that do not oth…

Having exactly the same shape and size.

A triangle with three sides the same length and three equal a…

acute angle

An angle with a measure greater than 0 degrees and less than…

adjacent angles

Two angles that share a side and a vertex and that do not oth…

round down

round up

rounding

standard notation

To change a number slightly to a lower number to make it easi…

To change a number to a higher number so to make it easier to…

To change a number slightly to a lower or higher number to ma…

The most familiar way of representing numbers. Standard notat…

round down

To change a number slightly to a lower number to make it easi…

round up

To change a number to a higher number so to make it easier to…