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absolute value

acute angle

acute triangle

addend

The distance from the graph of a number to the number 0 on a…

An angle whose measure is between 0 degrees and 90 degrees.

A triangle whose largest angle measures between 0 degrees and…

One of two or more numbers that are added to find a sum.

absolute value

The distance from the graph of a number to the number 0 on a…

acute angle

An angle whose measure is between 0 degrees and 90 degrees.

acute angle

acute triangle

addend

adjacent sides

An angle whose measure is more than 0 degrees and less than 9…

A triangle whose largest angle measures less than 90 degrees.

Any one of the numbers added in an addition problem. In 5 + 2…

Sides that intersect.

acute angle

An angle whose measure is more than 0 degrees and less than 9…

acute triangle

A triangle whose largest angle measures less than 90 degrees.

segment

ray

line

acute angle

a part of a line with two distinct endpoints

a part of a line that begins at a point and continues without…

a straight collection of points extending in opposite directi…

an angle whose measure is between 0 and 90 degrees

segment

a part of a line with two distinct endpoints

ray

a part of a line that begins at a point and continues without…

addends

sum

commutative property of addition

identity property of addition

Numbers that are added together.

The answer to an addition problem.

changing the order of addends does not change their sum. Addi…

The sum of any number and 0 is equal to the initial number. T…

addends

Numbers that are added together.

sum

The answer to an addition problem.

Addends

Identity Property of Addition

Commutative Property of Addition

Difference

One of two or more numbers that are added to find a sum.

The sum of any number and 0 is equal to the initial number.

Changing the order of addends does not change their sum.

The result of subtraction.

Addends

One of two or more numbers that are added to find a sum.

Identity Property of Addition

The sum of any number and 0 is equal to the initial number.