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## Ignore words

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add

two combine, put together two or more quantities

ADDEND

any number being added

associative property of addition

When the grouping of terms changes, the sum stays the same.

COMMUNICATIVE PROPERTY OF ADDITION

changing the order of the addends does not change the sum

COMPARISON BARS

used to represent larger & smaller amounts in a comparison situation

decimal

a number with one or more digits to the right of the decimal point

DECIMAL POINT

a dot separating the whole number from the fractions in decimals

Decompose

to separate into components or basic elements

difference

the answer to a subtraction problem

equal

having the same value

Equation

A mathematical sentence that contains an equals sign

Identity Property of Addition

The sum of 0 and any number is that number.

REGROUP

to rearrange the formation of a group

SUBTRACT

an operation that gives the difference between two numbers

sum

the answer to an addition problem

WHOLE

all of an object, group of objects, shape, or quantity