Two-Digit Subtraction

What place do we always start with?

• the ones place

• the tens place

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

• yes

• no

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

• yes

• no

Solve this problem:

• 7

• 9

• 1

Solve this problem:

• 12

• 9

• 14

Solve this problem:

• 12

• 10

• 14

Solve this problem:

• 48

• 52

• 14

Solve this problem:

• 3

• 7

• 9

Solve this problem:

• 20

• 30

• 25

The small number in subtraction equation is called

·

• Whole

• part

• Number