Chapter 4 Math Vocabulary Review

What is a fact family?

• The missing number in a number sentence that makes the number sentence true.

• Addition and subtraction sentences that use he same numbers.

• When you join together sets to find the total or sum.

• Any numbers being added together.

Tags

CCSS.2.NBT.B.5

What does difference mean?

• The answer to an addition problem.

• Take away, take apart separate, or find the difference between two sets.

• Basic facts using the same numbers, sometimes called a fact family.

• The answer to a subtraction problem.

Tags

CCSS.2.OA.C.3

What does subtract mean?

• Any numbers being added together.

• The missing number in a number sentence that makes the number sentence true.

• Take away, take apart, separate, or find the difference between two sets.

• Addition and subtraction sentences that use the same numbers.

Tags

CCSS.1.OA.A.1

What does regroup mean?

• The answer to a subtraction problem.

• Take apart a number and write it a new way.

• To join together sets to find the total or sum.

• 8 - 5 = 3

Tags

CCSS.1.OA.A.1

Do you need to regroup 31-4?

• Yes

• No

Tags

CCSS.2.NBT.B.5

Do you need to regroup 78-6?

• Yes

• No

Tags

CCSS.2.NBT.B.5

54 - 36 =

• 88

• 8

• 28

• 18

Tags

CCSS.2.NBT.B.5

28 - 5 =

• 13

• 31

• 23

• 78

Tags

CCSS.2.OA.A.1

87 - 8 =

• 97

• 79

• 7

• 89

Tags

CCSS.2.NBT.B.5

Which one shows how to correctly check 25 - 10 = 15

• 15 + 10 = 25

• 25 - 15 = 10

• 70 - 10 = 60

• 25 - 5 = 20

Tags

CCSS.2.NBT.B.5