Multiplication
Multiplication 2.0
Addition
Subtraction
Riddles
100

2 x 3

6

100

11 x 11

121

100

52 + 26

78

100

54 - 23

31

100

What goes up but never comes down?

Your age

200

3 x 5

15

200

11 x 12

132

200

39 + 47

86

200

67 - 29

38

200

What has hands, but can’t clap?

A clock

300

4 x 8

32

300

12 x 12

144

300

105 + 67

172

300

92 - 64

28

300

I’m tall when I’m young, and I’m short when I’m old. What am I?

A candle

400

6 x 9

54

400

13 x 13

169

400

127 + 143

270

400

144 - 99

45

400

David’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

David

500

9 x 9

81

500

14 x 14

196

500

298 + 234

532

500

230 - 157

73

500

What has many keys but can’t open a single lock?

A piano

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