Chapter 2 Vocabulary

A number close to the exact number

• parentheses

• estimate

• Identity Property of Addition

• Regroup

Symbols which show grouping ()

• Associative Property of Addition

• estimate

• parentheses

• Identity Property of Addition

Tags

CCSS.1.OA.B.3

To rename a number using place value

• Regroup

• Commutative Property of Addition

• Associative Property of Addition

• Sum

Tags

CCSS.2.NBT.B.5

When the sum of any number and zero is the number

• Estimate

• Addend

• Identity Property of Addition

• Communtative Property of Addition

Tags

CCSS.1.OA.B.3

When the order of addends DOES NOT change the sum

• Identity Property of Addition

• Parentheses

• Sum

• Commutative Property of Addition

Tags

CCSS.1.OA.B.3

When the GROUPING of addends DOES NOT change the sum

• Associative Property of Addition

• Identity Property of Addition

• Estimate

• Regroup

Tags

CCSS.1.OA.B.3

The numbers we ADD together are called the....

• Addends

• Sum

• Parentheses

• Numbers

Tags

CCSS.6.EE.A.1

The ANSWER to an addition sentence is called the....

• Addends

• Sum

• Parentheses

• Regroup

A number that needs to be solved for is....

• Addend

• Sum

• Unknown

• Estimate

Tags

CCSS.1.OA.D.8

Which one is a number sentence?

• 18

• number

• 33+44=77

• Amy has 3 bears.

Tags

CCSS.2.NBT.B.5