Subtraction Strategies Up to 100 Review

Solve the equation 94-23=___.

• 73

• 81

• 71

• 82

Use the open number line to solve 44-7=___.

• 39

• 35

• 37

• 36

Use the open number line to solve 68-53=___.

• 16

• 14

• 15

• 17

Use the open number line and the add-to-subtract strategy to solve 47-24=___.

• 34

• 24

• 23

• 32

Use a tens and ones mat and the add-to-subtract strategy to solve 36 − 29 = ____.

• 6

• 9

• 7

• 8

Use the CUBES checklist to help you solve the following problem. Cade has 54 marbles. He gives 38 to his sister. How many marbles does Cade have left?

• 16

• 17

• 18

• 15

Use the CUBES checklist to help you solve the following problem. There are 97 steps to the top of the pyramid. Tobias has walked up 48 steps already. How many steps does he have left to walk up?

• 49

• 48

• 47

• 50