Show:
What Comes Next?
What number is missing?
Counting Backward
Addition
Subtraction
100

44, 45, 46, ___

47

100
9, 10, 11, ___, 13

12

100

9, 8, 7, ___

6

100

2 + 2 = 

4

100

17 - 9 =

8

200

10, 11, 12, 13, 14, ___

15

200

25, ___, 27, 28, 29

26

200
28, 27, 26, ___

25

200

10 + 5 =

15

200

16 - 10 = 

6

300

63, 64, 65, 66, ___

67

300

142, 143, 144, 145, ____, 147 

146

300

119, 118, ___, 116

117

300

10 + 10 = 

20

300

19 - 9 = 

9
400

78, 79, 80, ___

81

400

129, ___, 131, 132

130

400

250, ___, 248, 247, 246

249

400

25 + 32 = 

57

400

25 - 5 = 

20

500

97, 98, 99, 100, ___

101

500

200, 201, 202, ___, ___, 205

203, 204

500

56, 55, ____, 53, ____, 51

54, 52

500

36 + 12 =

48

500

24 - 12 = 

12

600

121, 122, 123, 124, ____

125

600
119, ____, 121, ____, 123

120, 122

600
200, ____, 198, 197, ___

199, 196

600

100 + 29

129

600

50 - 20 = 

30

700

217, 218, 219, ___

220

700

____, 117, 118, 119, ___ , ___

116, 120, 121

700
____, _____, 98, 97, 96

100, 99

700

54 + 3 + 30

87

700

100 - 98 = 

2