What's the Missing Number?
Read that Number
Write that Number
One More, One Less
Count On
100

16, __, 18, 19

17

100

16

sixteen

100

twenty-one

21

100

What number is one less than 50?

What number is one more than 50?

49

51

100

start counting from 90, stop at 110

90 - 110

200

19, __, __, __, __ 24,25

20, 21, 22, 23

200

99

ninety nine

200

twelve

12

200

What number is one less than 100?

What number is one more than 100?

99

101

200

start counting at 25, stop at 75.

25-75

300

86, 87, __,__,__,__,92

88,89,90,91

300

25

twenty five

300

forty six

46

300

What number is one less than 111?

What number is one more than 111?

110

112

300

start counting at 15, stop counting at 40

15-40

400

109, 110, ___, _____, 113, 114

111, 112

400

111

one hundred eleven 

400

seventy eight 

78

400

What number is one less than 149?

What number is one more than 149?

148

150

400

start counting at 112, stop at 130.

112-130

500

119, 120, ___,___,___,___,___,126

121,122,123,124,125

500

150

one hundred fifty

500

thirty

30

500

What number is one less than 121?

What number is one more than 121?

120

122

500

start at 100, count until you get to 150

100-150

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