Addition
Subtraction
Addition with regrouping
Subtraction with regrouping
Other Review Skills
100

Estimate to add: 

37 + 42 = ? 

40 + 40 = 80

100

Estimate to subtract: 

89 - 32 = 

90 - 30 = 60

100

56 + 27 = 

83

100


Subtract

32 - 19 =

13

100
Estimate 57 to the nearest ten. 

60

200

Add: 

47 + 22

69

200

Subtract 

99 - 17 = 

82

200

27 + 13 = 

40

200

Subtract

71 - 49

71 - 49 + 22

200

What is the value of the digit in the tens place?

569

60

300

Estimate to add: 

33 + 22 =

30 + 20 = 50

300

Subtract:

66 - 33 = 

33

300

19 + 19 = 

38

300

Subtract 

22 - 19 = 

3

300

What is the missing related fact?

7 + 9 = 16

9 + 7 = 16

16 - 7 = 9

16 - 9 = 7

400

Add: 

89 + 10=

99

400

Subtract:

77 - 66 =

11

400

Add: 


47 + 37 =

84

400

Subtract 

70 - 29 = 

=41

400

How much money do you have if you have 2 quarters, 3 dimes, and 5 nickels? 

$1.05

500

Add: 

14 + 5

19

500

Estimate to subtract 

99 - 87 = 

20

500

Add: 

15 + 19 = 

34

500

Subtract: 

38 - 19 = 


19

500

If the hour hand is just past the 7, and the minute hand is on the 9, what time is it? 

7:45