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100

8 + 2 = ____

10


100

5 - 2 = ____

3

100
17 + 13 = ___

30

100

25 - 9 = ___

16

100

2, 4, 6, ___, 10, 12, 14...

8

200

4 + 9 = ___

13

200

7 - 4 = ___

3

200

23 + 8 = ___

31

200

34 - 8 = ____

26

200

5, 10, 15, 20, ___, 30, 35, 40...

25

300

5 + 7 = ___

12


300

9 - 5 = ___

4

300

39 + 9 = ___

48

300

44 - 27 = ___

17

300

5, 10, 15, 20, 25, 30, ___, 40...

35

400

8 + 9 = ___

17

400

10 - 8 = ___

2

400

48 + 27 = ___

75

400

57 -28 =___

29

400

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

60

500

12 + 7 = ____

19

500

14 - 7 = ___

7

500

63 + 38 = ___

101

500

76 - 57 = ____

19

500

100, 200, 300, 400, ____, 600, 700, 800, 900...

500