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100

What is one more than 80?

81

100

What is one less than 5?

4

100

What is the missing number?

5, _, 15

10

100

What is the missing number? 

10, _

20

100

1+1=

2

200

What is one more than 85?

86

200

What is one less than 10?

9

200

What is the missing number? 

5, 10, _

15

200

What is the missing number? 

10, 20, __

30

200

2+2=

4

300

What is 2 more than 8?

10

300

What is one less than 50?

49

300

What is the missing number? 

5, 10, 15, ___

20

300

What is the missing number? 

10, 20, 30, 40, ___

50

300

3+3=

6

400

What is 2 more than 10?

12

400

What is one less than 90?

89

400

What is the missing number? 

5, 10, 15, 20, __

25

400

What is the missing number? 

10, 20, 30, 40, 50, ___

60

400

4+4=

8

500

What is 10 more than 40?

50

500

What is one less than 100?

99

500

What is the missing number? 

__, 10, 15

5
500

What is the missing number? 

10, 20, 30, 40, 50, 60, 70, 80, 90, ___

100

500

What is the missing number?

5+ __=10

5