subtraction without regrouping
subtraction with regrouping
addition without regrouping
addition with regrouping
random
100

What is 35-20?

15

100

What is 73-27? 

46

100

What is 22+24?

46

100

What is 72+18?

90
100

Which is greater? 104 or 140? 

140

200

What is 76-45?

31

200

What is 54-28? 

26

200
What is 45+44?

89

200

What is 44+37? 

81

200
What is 9+9?

18

300

What is 98-34?

64

300

What is 77-39?

38

300

What is 62+26?

88

300

What is 28+29?

57

300

How many tens are in the number 459?

5 tens

400

What is 66-23?

43

400

What is 32-19?

13

400

What is 33+15?

48

400

What is 19+33?

52

400

What is 4 tens the same as? 

40

500

What is 89-72?

17

500

What is 41-18?

23

500

What is 50+15?

65

500

What is 48+34?

82

500

Which number is in the ones place in the number 561?

1

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