Thursday, April 17, 2014

Read each riddle and look at the answers given. List the possible answers on the line.
Add one more. Then, list each answer that is not possible and explain why not.

1. Sydney said, “I have a four-digit even number whose digits add up to 11.”
3,044 4,151 1,522 2,252
Possible: _____________________________________________________________
Impossible: ________ because _________________________________________
Impossible: ________ because _________________________________________

2. Jordi said, “I have a three-digit number that is less than 500.
Each digit is one more than the previous digit.”
123 567 345 389
Possible: _____________________________________________________________
Impossible: ________ because _________________________________________
Impossible: ________ because _________________________________________

3. Alan said, “I have a two-digit odd number whose ones digit is less than the tens digit.”
57 92 41 65
Possible: _____________________________________________________________
Impossible: ________ because _________________________________________
Impossible: ________ because _________________________________________

4. Nell said, “I have a four-digit even number. The tens digit is greater than the ones and
hundreds digits. The digits have a sum of 15.”
6,360 5,154 1,395 6,126
Possible: _____________________________________________________________
Impossible: ________ because _________________________________________
Impossible: ________ because _________________________________________

5. Willie said, “I have a three-digit odd number. The tens and hundreds digits are both
even. The digits have a sum of 11.”
461 245 183 645
Possible: _____________________________________________________________
Impossible: ________ because _________________________________________
Impossible: ________ because ____________________

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