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Riddle puzzle: Addition with regrouping

Solve each question. Find your answer in the decoder and write its letter in the box. The letters answer the riddle.

Name

Date

What did the triangle say to the circle?

  1. 1.348 + 253 = ?
  2. 2.39 + 26 + 14 = ?
  3. 3.Yuki worked out 38 + 19 = 47. What is the correct answer?
  4. 4.34 + 26 + 28 = ?
  5. 5.12 + 23 + 27 = ?
  6. 6.Felix worked out 19 + 39 = 48. What is the correct answer?
  7. 7.2400 + 2861 = ?
  8. 8.5918 + 3946 = ?
  9. 9.39 + 16 + 28 = ?
  10. 10.336 + 311 = ?
  11. 11.30 + 23 + 15 = ?
  12. 12.5868 + 1884 = ?
  13. 13.2281 + 2755 = ?
  14. 14.619 + 155 = ?

Decoder

9864I

601Y

62E

5261O

5036S

774S

68L

605Q

79O

57U

58P

67X

647T

88R

83N

65J

235Z

7752E

The answer to the riddle

1
2
3
4
5
6
7
8
9
10
11
12
13
14

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Answer key: Addition with regrouping riddle

What did the triangle say to the circle? You're pointless!

  1. 1. 601 = Y
  2. 2. 79 = O
  3. 3. 57 = U
  4. 4. 88 = R
  5. 5. 62 = E
  6. 6. 58 = P
  7. 7. 5261 = O
  8. 8. 9864 = I
  9. 9. 83 = N
  10. 10. 647 = T
  11. 11. 68 = L
  12. 12. 7752 = E
  13. 13. 5036 = S
  14. 14. 774 = S

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