2 Digit Subtraction with and without regrouping

What place do we always start with?

• the ones place

• the tens place

Tags

CCSS.2.NBT.A.3

What question do you ask yourself when subtracting the number on the bottom from the number on the top?

• Is it real?

• Can I do it?

Tags

CCSS.7.NS.A.1C

Do you need to regroup (borrow from your neighbor) for this problem?

• yes

• no

Tags

CCSS.2.NBT.B.7

Do you need to regroup (borrow from your neighbor) for this problem?

• yes

• no

Tags

CCSS.2.NBT.B.7

Solve this problem:

• 7

• 9

• 1

Tags

CCSS.2.OA.A.1

Solve this problem:

• 12

• 9

• 14

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Solve this problem:

• 12

• 10

• 14

Tags

CCSS.2.OA.A.1

Solve this problem:

• 48

• 52

• 14

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Solve this problem:

• 3

• 7

• 9

Tags

CCSS.2.OA.A.1

Solve this problem:

• 20

• 30

• 25

Tags

CCSS.7.NS.A.1C