Workbook Detail
Number Detective Hard — Set 5
Use the clues to find the mystery number.
Show answer
Answer: 60
- Clues
- I am less than 64.
- My digits add up to 6.
- My tens digit is 6.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 60
- Clues
- My ones digit is 0.
- Half of me is 30.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 81
- Clues
- I am greater than 70.
- My tens digit is 8.
- I am a multiple of 3.
- My ones digit is 1.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 10
- Clues
- My tens digit is 1.
- Half of me is 5.
- AnswerRange
- 10
- 99
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 34
- Clues
- I am an even number.
- I am not a multiple of 3.
- If you double me, you get 68.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 79
- Clues
- I am less than 94.
- My digits add up to 16.
- My ones digit is 9.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 26
- Clues
- I am an even number.
- My tens digit is 2.
- Half of me is 13.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 70
- Clues
- I am not a multiple of 3.
- Half of me is 35.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 39
- Clues
- My digits add up to 12.
- My tens digit is 3.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 22
- Clues
- My ones digit is 2.
- I am not a multiple of 3.
- If you double me, you get 44.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 69
- Clues
- My tens digit is 6.
- My digits add up to 15.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 21
- Clues
- I am less than 25.
- I am not a multiple of 5.
- I am greater than 14.
- If you double me, you get 42.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 24
- Clues
- I am not a multiple of 5.
- I am greater than 16.
- My ones digit is 4.
- Half of me is 12.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 83
- Clues
- I am less than 91.
- My digits add up to 11.
- My tens digit is 8.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 79
- Clues
- My digits add up to 16.
- My tens digit is 7.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 63
- Clues
- My tens digit is 6.
- My ones digit is 3.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 55
- Clues
- I am an odd number.
- I am less than 65.
- My ones digit is 5.
- My tens digit is 5.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 12
- Clues
- Half of me is 6.
- AnswerRange
- 10
- 99
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 74
- Clues
- I am a multiple of 2.
- I am greater than 59.
- My tens digit is 7.
- I am less than 77.
- Half of me is 37.
- AnswerRange
- 10
- 99
Use the clues to find the mystery number.
Show answer
Answer: 94
- Clues
- If you double me, you get 188.
- AnswerRange
- 10
- 99
Teaching Notes
Practice number detective with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Number Detective Hard Worksheets worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.