Regrouping Tens for Ones
Subtracting 2- and 1- Digit Numbers
Subtracting 2- Digit Numbers
Using Addition to Check Subtraction
Two-Step Problems
100

61-3 =

Do you need to regroup?

58

Yes

100

38-9=

29

100

72-36=

36

100

Subtract.  Check your answer by adding.

67-48=

19

48+19= 67

100

Leana buys 28 peaches. She gives 12 to Ted.  Then she buys 15 more.  How many peaches does Leana have now?

Show Step 1 and Step 2

____ - ____ = _____

____ + ____ = _____

______ peaches

28-12=16

16+15= 31

31 peaches

200

57-5=

Do you need to regroup?

No

52

200

61-4=

57

200

49-23=

26

200

Subtract.  Check your answer by adding.

49-27=

22

27+22= 49

200

James is playing a game.  He scores 27 points.  Next, he scores 33 points.  Then he loses 14 points. How many points does James have in the end?

Show step 1 and Step 2

_____ + ____= _____

_____ - ____= ______

_____ points

27 + 33= 60

60-14 = 46

46 points

300

89-7-=

Do you need to regroup?

No

82

300

57-5=

52

300

84-47=

37

300

Subtract.  Check your answer by adding.

45-28=

17

28+17=45


300

Mia sees 15 yellow birds and 16 red birds.  Then 17 birds fly away.  How many birds are left?

Show step 1 and Step 2

_____ + ____= _____

_____ - ____= ______

_____ birds

15+16=31

31-17= 14

14 birds

400

46-8-=

Do you need to regroup?

Yes

38

400

46-7=

39

400

62-36=

26

400

Subtract.  Check your answer by adding.

48-16=

32

32+16=48

400

Tim bakes 24 muffins.  Gina bakes 13 more muffins than Tim.  Lea bakes 5 fewer muffins than Gina.  How many muffins does Lea bake?

Show step 1 and Step 2

_____ + ____= _____

_____ - ____= ______

_____ muffins

24+13=37

37-5= 32

32 muffins

500

92-7-=

Do you need to regroup?


Yes

85

500

76-9=

67

500

53-17=

36

500

Subtract.  Check your answer by adding.

45-17=

28

17+28=45

500

In April, Hailey had 21 dance classes.  In May, she had 6 fewer dance classes than she did in April.  In June, she had 13 more dance classes than she did in May.  

How many dance classes did Hailey have in June?

Show step 1 and Step 2

_____ - ____= _____

_____ + ____= ______

_____ classes

21-6= 15

15 +13= 28

28 classes