Subtraction Strategies

How can you break apart 58?

• 50 tens

  8 ones

• 8 tens

  50 ones

• 5 tens

  8 ones

• 5 tens

  80 ones

Solve the subtraction problem using the Compensation model we have practiced.

• 111

• 59

• 60

• 58

Use the break apart strategy to solve this subtraction problem

• 67

• 77

• 103

• 57

Use the open number line strategy to solve the subtraction problem.

• 27

• 60

• 100

• 50

Use the open number line to solve the subtraction problem.

• 21

• 15

• 114

• 52

Do you need to regroup when subtracting 45-29?

• Yes

• No

• I don't know

Tom read for 56 minutes on Tuesday. He read for 26 minutes on Friday .How many more minutes did he read on Tuesday than Friday?

• 20

• 30

• 82

• 10

Jan had 84 buttons. She lost 24 buttons. Her mom gave her 8 more buttons. How many buttons does she have now?

• 92

• 60

• 68

• 85