2 Digit Subtraction with and without regrouping

What place do we always start with?

• the ones place (the number on the right)

• the tens place (the number on the left)

What question do you ask yourself when subtracting?

• Is the big number on the top, or the bottom?

• What is my name?

Do you need to decompose a ten (go next door and borrow 10 more) for this problem?

• yes

• no

Do you need to decompose a ten (go next door and borrow 10 more) for this problem?

• yes

• no

Solve this problem:

• 17

• 27

• 33

Solve this problem:

• 28

• 18

• 32

Solve this problem:

• 12

• 10

• 14

Tags

CCSS.2.OA.A.1

64

-44

• 29

• 28

• 20

65

-41

• 25

• 26

• 24

Find the difference.

• 37

• 47

• 43

• 75