Review Lesson 1: Addition and Subtraction

Which word means that we have to use subtraction?

• reduce

• combine

Which word means that we have to use addition?

• take away

• altogether

Which word means that we have to use addition?

• less than

• more than

Which word means that we have to use subtraction?

• decrease

• increase

Which word means that we have to use subtraction?

• sum

• difference

Which word means that we have to use addition?

• plus

• minus

Which means that we have to use addition?

• How many more?

• How many in all?

Which word means that we have to use subtraction?

• join

• fewer

How many tens in 23

• 2
• 20
• 3
• 5

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

• 43
• 34
• 24

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5