Chapter 1 Math Vocabulary

__________ is the property that states that when you add zero to a number, the result is that number.

Example: 8+0=8

• estimate

• pattern

• Identity Property of Addition

• round

_______ means to replace a number with another number that tells about how many or how much.

Example: 42 = 40

• round

• estimate

• Identity Property of Additon

• pattern

_______ is to find about how many or how much.

• Identity Property of Addition

• pattern

• estimate

• difference

A _________ is an ordered set of numbers or objects in which the order helps you predict what will come next.

• pattern

• estimate

• round

• Identity Property of Addition

A __________ is the answer to a subtraction problem.

• pattern

• Commutative Property of Addition

• Associative Property of Addition

• difference

___________ is the property that states that you can add two or more numbers in any order and get the same sum.

Example:

6 + 7 = 7 + 6

• Associative Property of Addition

• difference

• Commutative Property of Addition

• estimate

___________ is the property that states that you can group addends in different ways and still get the same sum.

Example:

(2 + 3) + 4 = 2 + (3 + 4)

• Associative Property of Addition

• Commutative Property of Addition

• round

• pattern