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Number Puzzles

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Explore 655+ unique, interactive number puzzles puzzles.

Fun counting games, prime number riddles, and secret code math challenges.

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Showing Number Puzzles riddles

Arithmetic Equation #30

If you multiply me by 8 and add 0, you get 56. What number...

2,243 solved Algebra Riddles

Detective Case #6: Lab Spot Differences

Analyze the two side-by-side images of the scientist's high-tech laboratory. Count the total number...

2,658 solved Number Puzzles

Arithmetic Equation #15

If you multiply me by 9 and add 0, you get 153. What number...

5,023 solved Algebra Riddles

Arithmetic Equation #31

If you multiply me by 9 and add 1, you get 73. What number...

3,791 solved Algebra Riddles

Detective Case #10: Ballroom Masquerade Impostor

At the masquerade ball, everyone must wear a mask. Identify the impostor who is...

2,522 solved Number Puzzles

Arithmetic Equation #16

If you multiply me by 2 and add 1, you get 37. What number...

4,480 solved Algebra Riddles

Arithmetic Equation #32

If you multiply me by 2 and add 2, you get 20. What number...

6,198 solved Algebra Riddles

Arithmetic Equation #1

If you multiply me by 3 and add 1, you get 10. What number...

6,217 solved Algebra Riddles

Arithmetic Equation #17

If you multiply me by 3 and add 2, you get 59. What number...

4,169 solved Algebra Riddles

Arithmetic Equation #33

If you multiply me by 3 and add 3, you get 33. What number...

4,926 solved Algebra Riddles

Arithmetic Equation #2

If you multiply me by 4 and add 2, you get 18. What number...

2,701 solved Algebra Riddles

Arithmetic Equation #18

If you multiply me by 4 and add 3, you get 83. What number...

2,003 solved Algebra Riddles

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