Workbook Detail
Number Detective Medium — Set 9
Use the clues to find the mystery number.
Show answer
Answer: 35
- Clues
- I am not a multiple of 2.
- I am less than 43.
- I am greater than 29.
- My digits add up to 8.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 32
- Clues
- My ones digit is 2.
- If you double me, you get 64.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 40
- Clues
- If you double me, you get 80.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 10
- Clues
- My digits add up to 1.
- AnswerRange
- 5
- 50
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#99AAB5" d="M35.354 25.254c.217-2.391-.513-4.558-2.057-6.102L17.033 2.89c-.391-.391-1.024-.391-1.414 0-.391.391-.391 1.024 0 1.414l16.264 16.263c1.116 1.117 1.642 2.717 1.479 4.506-.159 1.748-.957 3.456-2.188 4.686-1.23 1.23-2.938 2.027-4.685 2.187-1.781.161-3.39-.362-4.506-1.479L3.598 12.082c-.98-.98-1.059-2.204-.953-3.058.15-1.196.755-2.401 1.66-3.307 1.7-1.7 4.616-2.453 6.364-.707l14.85 14.849c1.119 1.12.026 2.803-.708 3.536-.733.735-2.417 1.826-3.535.707L9.962 12.789c-.391-.391-1.024-.39-1.414 0-.391.391-.391 1.023 0 1.414l11.313 11.314c1.859 1.858 4.608 1.05 6.363-.707 1.758-1.757 2.565-4.507.708-6.364L12.083 3.597c-2.62-2.62-6.812-1.673-9.192.706C1.677 5.517.864 7.147.661 8.775c-.229 1.833.312 3.509 1.523 4.721l18.384 18.385c1.365 1.365 3.218 2.094 5.281 2.094.27 0 .544-.013.82-.037 2.206-.201 4.362-1.209 5.918-2.765 1.558-1.556 2.565-3.713 2.767-5.919z"/></g></svg>AltText: paperclipPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 40
- Clues
- I am less than 49.
- I am greater than 37.
- My ones digit is 0.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 8
- Clues
- I am an even number.
- If you double me, you get 16.
- AnswerRange
- 5
- 50
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#A0041E" d="M35 26c0 2.209-1.791 4-4 4H5c-2.209 0-4-1.791-4-4V6.313C1 4.104 6.791 0 9 0h20.625C32.719 0 35 2.312 35 5.375V26z"/><path fill="#CCD6DD" d="M33 30c0 2.209-1.791 4-4 4H7c-2.209 0-4-1.791-4-4V6c0-4.119-.021-4 5-4h21c2.209 0 4 1.791 4 4v24z"/><path fill="#E1E8ED" d="M31 31c0 1.657-1.343 3-3 3H4c-1.657 0-3-1.343-3-3V7c0-1.657 1.343-3 3-3h24c1.657 0 3 1.343 3 3v24z"/><path fill="#BE1931" d="M31 32c0 2.209-1.791 4-4 4H6c-2.209 0-4-1.791-4-4V10c0-2.209 1.791-4 4-4h21c2.209 0 4 1.791 4 4v22z"/><path fill="#DD2E44" d="M29 32c0 2.209-1.791 4-4 4H6c-2.209 0-4-1.791-4-4V12c0-2.209 1.791-4 4-4h19.335C27.544 8 29 9.456 29 11.665V32z"/><path fill="#A0041E" d="M6 6C4.312 6 4.269 4.078 5 3.25 5.832 2.309 7.125 2 9.438 2H11V0H8.281C4.312 0 1 2.5 1 5.375V32c0 2.209 1.791 4 4 4h2V6H6z"/></g></svg>AltText: book closedPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 40
- Clues
- My tens digit is 4.
- I am not a multiple of 3.
- If you double me, you get 80.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 27
- Clues
- I am not a multiple of 5.
- If you double me, you get 54.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 47
- Clues
- I am an odd number.
- I am not a multiple of 5.
- My digits add up to 11.
- If you double me, you get 94.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 43
- Clues
- I am greater than 34.
- I am not a multiple of 2.
- My tens digit is 4.
- My digits add up to 7.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 43
- Clues
- I am less than 49.
- I am greater than 34.
- My tens digit is 4.
- My digits add up to 7.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 12
- Clues
- I am greater than 9.
- I am a multiple of 2.
- Half of me is 6.
- AnswerRange
- 5
- 50
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 23
- Clues
- I am not a multiple of 5.
- I am an odd number.
- My tens digit is 2.
- I am less than 28.
- My ones digit is 3.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 45
- Clues
- I am not a multiple of 2.
- I am a multiple of 5.
- I am greater than 43.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 20
- Clues
- I am less than 27.
- My tens digit is 2.
- I am an even number.
- I am a multiple of 5.
- AnswerRange
- 5
- 50
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#9AAAB4" d="M27.388 24.642L24.56 27.47l-4.95-4.95 2.828-2.828z"/><path fill="#66757F" d="M34.683 29.11l-5.879-5.879c-.781-.781-2.047-.781-2.828 0l-2.828 2.828c-.781.781-.781 2.047 0 2.828l5.879 5.879c1.562 1.563 4.096 1.563 5.658 0 1.56-1.561 1.559-4.094-.002-5.656z"/><circle fill="#8899A6" cx="13.586" cy="13.669" r="13.5"/><circle fill="#BBDDF5" cx="13.586" cy="13.669" r="9.5"/></g></svg>AltText: magnifierPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 11
- Clues
- My digits add up to 2.
- If you double me, you get 22.
- AnswerRange
- 5
- 50
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#DD2E44" d="M35.702 7.477L28.522.298c-.396-.397-1.038-.397-1.436 0L3.395 23.989c-.397.397-.397 1.038 0 1.437.72.719-3.14 7.959-3.395 8.496L2.068 36c.536-.255 7.785-4.115 8.506-3.395.397.397 1.039.397 1.436 0L35.702 8.913c.397-.396.397-1.039 0-1.436z"/><path fill="#EA596E" d="M4.139 23.24L26.407.972l8.62 8.62L12.759 31.86z"/><path fill="#292F33" d="M23.534 3.846l1.437-1.436 8.62 8.62-1.437 1.436zM5.576 21.803l1.436-1.437 8.62 8.62-1.437 1.437z"/><path fill="#BE1931" d="M26.886 9.353c-1.521-1.521-5.982.476-9.967 4.459-3.983 3.984-5.979 8.446-4.459 9.967 1.52 1.521 5.983-.476 9.967-4.459 3.983-3.984 5.979-8.447 4.459-9.967z"/></g></svg>AltText: crayonPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 31
- Clues
- My digits add up to 4.
- My tens digit is 3.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 32
- Clues
- I am less than 36.
- If you double me, you get 64.
- AnswerRange
- 5
- 50
Use the clues to find the mystery number.
Show answer
Answer: 13
- Clues
- I am an odd number.
- If you double me, you get 26.
- AnswerRange
- 5
- 50
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#A0041E" d="M35 26c0 2.209-1.791 4-4 4H5c-2.209 0-4-1.791-4-4V6.313C1 4.104 6.791 0 9 0h20.625C32.719 0 35 2.312 35 5.375V26z"/><path fill="#CCD6DD" d="M33 30c0 2.209-1.791 4-4 4H7c-2.209 0-4-1.791-4-4V6c0-4.119-.021-4 5-4h21c2.209 0 4 1.791 4 4v24z"/><path fill="#E1E8ED" d="M31 31c0 1.657-1.343 3-3 3H4c-1.657 0-3-1.343-3-3V7c0-1.657 1.343-3 3-3h24c1.657 0 3 1.343 3 3v24z"/><path fill="#BE1931" d="M31 32c0 2.209-1.791 4-4 4H6c-2.209 0-4-1.791-4-4V10c0-2.209 1.791-4 4-4h21c2.209 0 4 1.791 4 4v22z"/><path fill="#DD2E44" d="M29 32c0 2.209-1.791 4-4 4H6c-2.209 0-4-1.791-4-4V12c0-2.209 1.791-4 4-4h19.335C27.544 8 29 9.456 29 11.665V32z"/><path fill="#A0041E" d="M6 6C4.312 6 4.269 4.078 5 3.25 5.832 2.309 7.125 2 9.438 2H11V0H8.281C4.312 0 1 2.5 1 5.375V32c0 2.209 1.791 4 4 4h2V6H6z"/></g></svg>AltText: book closedPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 17
- Clues
- My digits add up to 8.
- I am an odd number.
- I am not a multiple of 5.
- AnswerRange
- 5
- 50
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#DD2E44" d="M16.806 10.675c-.92-2.047-2.003-4.066-3.026-6.26-.028-.068-.051-.138-.082-.206-.064-.142-.137-.277-.208-.413l-.052-.111-.002.003C11.798.698 8.343-.674 5.46.621 2.414 1.988 1.164 5.813 2.67 9.163c1.505 3.351 5.194 4.957 8.24 3.589.106-.047.205-.105.306-.159 1.935.438 1.994 1.877 1.994 1.877s4.618-1.521 3.596-3.795zM4.876 8.173c-.958-2.133-.252-4.527 1.575-5.347 1.826-.822 4.084.242 5.042 2.374.958 2.132.253 4.526-1.573 5.346-1.828.821-4.087-.241-5.044-2.373z"/><path fill="#99AAB5" d="M26.978 34.868c1.163-.657 2.187-2.474 1.529-3.638L16.754 10.559c-1.103.496-2.938 2.313-3.544 3.912l13.768 20.397z"/><path fill="#DD2E44" d="M30.54.62c-2.882-1.295-6.338.077-7.976 3.067l-.003-.003-.053.112c-.071.135-.145.27-.208.412-.03.068-.053.137-.081.206-1.023 2.194-2.107 4.213-3.026 6.26-1.021 2.274 3.597 3.796 3.597 3.796s.059-1.439 1.993-1.877c.102.054.2.111.307.159 3.045 1.368 6.733-.238 8.24-3.589 1.505-3.35.255-7.175-2.79-8.543zm.584 7.553c-.959 2.132-3.216 3.194-5.044 2.373-1.826-.82-2.531-3.214-1.572-5.346.956-2.132 3.214-3.195 5.041-2.374 1.827.82 2.532 3.214 1.575 5.347z"/><path fill="#CCD6DD" d="M9.022 34.868c-1.163-.657-2.187-2.474-1.529-3.638l11.753-20.671c1.103.496 2.938 2.313 3.544 3.912L9.022 34.868z"/><path fill="#99AAB5" d="M19.562 17.396c0 .863-.701 1.562-1.562 1.562-.863 0-1.562-.699-1.562-1.562 0-.863.699-1.562 1.562-1.562.862 0 1.562.699 1.562 1.562z"/></g></svg>AltText: scissorsPlacement: before-question
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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 Medium 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.