Workbook Detail
Number Detective Easy — Set 2
Use the clues to find the mystery number.
Show answer
Answer: 20
- Clues
- I am greater than 16.
- My tens digit is 2.
- AnswerRange
- 1
- 20
- 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="#BE1931" d="M23.651 23.297L12.702 12.348l9.386-7.821 9.385 9.385z"/><path fill="#DD2E44" d="M34.6 13.912c-1.727 1.729-4.528 1.729-6.255 0l-6.257-6.256c-1.729-1.727-1.729-4.53 0-6.258 1.726-1.727 4.528-1.727 6.257 0L34.6 7.656c1.728 1.727 1.728 4.529 0 6.256z"/><path fill="#99AAB5" d="M14 17.823S-.593 35.029.188 35.813C.97 36.596 18.177 22 18.177 22L14 17.823z"/><path fill="#DD2E44" d="M25.215 27.991c-1.726 1.729-4.528 1.729-6.258 0L8.009 17.041c-1.727-1.728-1.727-4.528 0-6.256 1.728-1.729 4.53-1.729 6.258 0l10.948 10.949c1.728 1.729 1.728 4.528 0 6.257z"/></g></svg>AltText: pushpinPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 19
- Clues
- I am an odd number.
- My digits add up to 10.
- AnswerRange
- 1
- 20
- 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 d="M11.946 27C-1.036 7.876 7.524 2.752 9.114 2c.149-.07.242-.105.245-.107.418-.209.638-.675.529-1.125C9.779.318 9.372 0 8.903 0H4.847C1.054 0-4.282 11 5.859 28c.151.253 5.073 0 5.073 0 .559 0 1.324-.541 1.014-1zM31.229 0h-4c-.462 0-.863.318-.971.768-.107.45.109.916.521 1.125.004.002.095.037.242.107 1.568.752 10.01 5.876-2.792 25-.307.459.448 1 1 1 0 0 4.854.253 5.002 0 10-17 4.739-28 .998-28z" fill="#C1694F"/><path d="M6.889 28.836l.004.01c-.064-.293 5.363-1.387 5.053-1.846C-1.036 7.876 7.524 2.752 9.114 2H4.845C1.053 2-3.268 13 6.889 28.836zM31.231 2h-4.21c1.568.752 10.01 5.876-2.792 25-.307.459 4.984 1.839 4.986 1.836C39.231 13 34.971 2 31.231 2z" fill="#662113"/><path fill="#C1694F" d="M9.916 8c-.561 0-1.015-.448-1.015-1 0-3.316-2.028-5-4.056-5-.47 0-.08-.782.029-1.232.11-.45.516-.768.985-.768h5.071c3.791 0 4.938 6.136 5.057 6.835.049.29-.034.586-.226.811-.195.225-.478.354-.775.354h-5.07zm16.315 0c.553 0 1-.448 1-1 0-3.316 2-5 4-5 .463 0 .078-.782-.029-1.232-.107-.45-.508-.768-.971-.768h-5c-3.738 0-4.869 6.136-4.986 6.835-.049.29.033.586.223.811.191.225.47.354.763.354h5z"/><path fill="#BE1931" d="M6 32s0 4 4 4h16s4 0 4-4V10s0-4-4-4H10c-4 0-4 4-4 4v22z"/><path fill="#A0041E" d="M24 28H12c-2.201 0-3-1.794-3-3V11c0-.552.448-1 1-1s1 .448 1 1v14c.012.45.195 1 1 1h12c.45-.012 1-.194 1-1V11c0-.552.447-1 1-1s1 .448 1 1v14c0 2.201-1.794 3-3 3z"/><path fill="#FFF" d="M16 25s0-1 1-1h2s1 0 1 1v5s0 1-1 1h-2s-1 0-1-1v-5z"/></g></svg>AltText: backpackPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 5
- Clues
- I am a multiple of 5.
- I am less than 6.
- AnswerRange
- 1
- 20
- 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="#F4900C" 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="#F4900C" 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="#FFAC33" 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="#F4900C" 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 orangePlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 1
- Clues
- I am not a multiple of 2.
- My ones digit is 1.
- My digits add up to 1.
- AnswerRange
- 1
- 20
- 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="#D99E82" d="M35.222 33.598c-.647-2.101-1.705-6.059-2.325-7.566-.501-1.216-.969-2.438-1.544-3.014-.575-.575-1.553-.53-2.143.058 0 0-2.469 1.675-3.354 2.783-1.108.882-2.785 3.357-2.785 3.357-.59.59-.635 1.567-.06 2.143.576.575 1.798 1.043 3.015 1.544 1.506.62 5.465 1.676 7.566 2.325.359.11 1.74-1.271 1.63-1.63z"/><path fill="#EA596E" d="M13.643 5.308c1.151 1.151 1.151 3.016 0 4.167l-4.167 4.168c-1.151 1.15-3.018 1.15-4.167 0L1.141 9.475c-1.15-1.151-1.15-3.016 0-4.167l4.167-4.167c1.15-1.151 3.016-1.151 4.167 0l4.168 4.167z"/><path fill="#FFCC4D" d="M31.353 23.018l-4.17 4.17-4.163 4.165L7.392 15.726l8.335-8.334 15.626 15.626z"/><path fill="#292F33" d="M32.078 34.763s2.709 1.489 3.441.757c.732-.732-.765-3.435-.765-3.435s-2.566.048-2.676 2.678z"/><path fill="#CCD6DD" d="M2.183 10.517l8.335-8.335 5.208 5.209-8.334 8.335z"/><path fill="#99AAB5" d="M3.225 11.558l8.334-8.334 1.042 1.042L4.267 12.6zm2.083 2.086l8.335-8.335 1.042 1.042-8.335 8.334z"/></g></svg>AltText: pencilPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 17
- Clues
- I am greater than 12.
- My ones digit is 7.
- AnswerRange
- 1
- 20
- 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)"><circle fill="#88C9F9" cx="18" cy="18" r="18"/><path fill="#5C913B" d="M25.716 1.756c-1.022.568-1.872 1.528-3.028 1.181-1.875-.562-4.375-1.812-6-.25s-2 3 0 2.938 3.375-2.438 4.375-1.438.749 1.813-1.625 2.125S14.5 7 13.125 7s-1.688.812-.75 1.688-.563.937-2.125 1.812.375 1.25 1.688 2 2.312-.188 2.875-1.438 2.981-2.75 3.99-2.562c1.01.188 1.01.688.822 1.562s.75.625.812-.375 1.188-1.75 2.062-1.812 1.625 1.188.625 1.812-2 1.125-.75 1.438 2.125 1.938.688 2.625-3.937 1.125-5.062.562-3.688-1.375-4.375-.938-1.062.89-1.875 1.195c-.812.305-4.125 1.805-4.188 3.743S7.438 22.438 8.75 22.5s4.5-.812 5.5-1.625 2.375-.625 2.812.312.125 1.5-.312 3 .286 2.25.987 3.562c.701 1.312 1.263 2.062 1.263 3s1 1.875 2.5.312 2.875-4.625 3.5-5.75 1.125-3.625 1.875-4.125 1.938-1.688 1.062-1.5-2.625-.062-3.062-1.312-2.312-3.625-1.438-3.875 1.875 1.39 2.25 2.164c.375.774.875 1.711 1.625 1.961s2.375-1.673 2.875-1.961c.5-.289.125-1.476-.875-1.351s-2.312 0-2.312-.624 1.25-1.438 2.25-1.25 1.75.5 2.375 1.25 1.875 2.125 2.375 3 .875 1 1.125-.562c.166-1.038.387-1.609.59-2.222-1.013-5.829-4.82-10.683-9.999-13.148z"/></g></svg>AltText: globePlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 16
- Clues
- My tens digit is 1.
- My digits add up to 7.
- AnswerRange
- 1
- 20
- 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="#269" 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="#3B88C3" 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="#55ACEE" 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="#269" 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 bluePlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 5
- Clues
- I am not a multiple of 2.
- I am greater than 4.
- I am a multiple of 5.
- I am less than 7.
- AnswerRange
- 1
- 20
- 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 d="M11.946 27C-1.036 7.876 7.524 2.752 9.114 2c.149-.07.242-.105.245-.107.418-.209.638-.675.529-1.125C9.779.318 9.372 0 8.903 0H4.847C1.054 0-4.282 11 5.859 28c.151.253 5.073 0 5.073 0 .559 0 1.324-.541 1.014-1zM31.229 0h-4c-.462 0-.863.318-.971.768-.107.45.109.916.521 1.125.004.002.095.037.242.107 1.568.752 10.01 5.876-2.792 25-.307.459.448 1 1 1 0 0 4.854.253 5.002 0 10-17 4.739-28 .998-28z" fill="#C1694F"/><path d="M6.889 28.836l.004.01c-.064-.293 5.363-1.387 5.053-1.846C-1.036 7.876 7.524 2.752 9.114 2H4.845C1.053 2-3.268 13 6.889 28.836zM31.231 2h-4.21c1.568.752 10.01 5.876-2.792 25-.307.459 4.984 1.839 4.986 1.836C39.231 13 34.971 2 31.231 2z" fill="#662113"/><path fill="#C1694F" d="M9.916 8c-.561 0-1.015-.448-1.015-1 0-3.316-2.028-5-4.056-5-.47 0-.08-.782.029-1.232.11-.45.516-.768.985-.768h5.071c3.791 0 4.938 6.136 5.057 6.835.049.29-.034.586-.226.811-.195.225-.478.354-.775.354h-5.07zm16.315 0c.553 0 1-.448 1-1 0-3.316 2-5 4-5 .463 0 .078-.782-.029-1.232-.107-.45-.508-.768-.971-.768h-5c-3.738 0-4.869 6.136-4.986 6.835-.049.29.033.586.223.811.191.225.47.354.763.354h5z"/><path fill="#BE1931" d="M6 32s0 4 4 4h16s4 0 4-4V10s0-4-4-4H10c-4 0-4 4-4 4v22z"/><path fill="#A0041E" d="M24 28H12c-2.201 0-3-1.794-3-3V11c0-.552.448-1 1-1s1 .448 1 1v14c.012.45.195 1 1 1h12c.45-.012 1-.194 1-1V11c0-.552.447-1 1-1s1 .448 1 1v14c0 2.201-1.794 3-3 3z"/><path fill="#FFF" d="M16 25s0-1 1-1h2s1 0 1 1v5s0 1-1 1h-2s-1 0-1-1v-5z"/></g></svg>AltText: backpackPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 14
- Clues
- I am an even number.
- My ones digit is 4.
- I am greater than 10.
- AnswerRange
- 1
- 20
- 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="#31373D" d="M24 14H12s-5 6-5 10 11 11 11 11 11-7 11-11-5-10-5-10z"/><path fill="#292F33" d="M19.64 1.28c-.901-.704-2.377-.704-3.278 0L1.639 12.776c-.901.704-.901 1.856 0 2.56l14.722 11.495c.902.704 2.377.704 3.278 0l14.722-11.495c.902-.704.902-1.856 0-2.56L19.64 1.28z"/><path fill="#394146" d="M19.64 1.28c-.901-.704-2.377-.704-3.278 0L1.639 12.776c-.901.704-.901 1.856 0 2.56l14.722 11.495c.901.704 2.377.704 3.278 0l14.723-11.495c.901-.704.901-1.856 0-2.56L19.64 1.28z"/><path fill="#FCAB40" d="M8 25s-2 2-2 3v6s0 2 2 2 2-2 2-2v-6c0-1-2-3-2-3z"/><circle fill="#FDD888" cx="8" cy="26" r="3"/><path fill="#FCAB40" d="M8.001 27c-.552 0-1-.447-1-1v-3.958c-.042-.634.187-2.036 1.317-2.884l9.022-7.91c.416-.365 1.048-.323 1.411.093.364.415.322 1.047-.093 1.411l-9.08 7.958C8.974 21.166 9 21.982 9 21.99L9.002 26c0 .553-.448 1-1.001 1z"/><circle fill="#31373D" cx="18" cy="13" r="3"/></g></svg>AltText: graduationPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 5
- Clues
- I am an odd number.
- I am a multiple of 5.
- If you double me, you get 10.
- AnswerRange
- 1
- 20
- 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="#D99E82" d="M35.222 33.598c-.647-2.101-1.705-6.059-2.325-7.566-.501-1.216-.969-2.438-1.544-3.014-.575-.575-1.553-.53-2.143.058 0 0-2.469 1.675-3.354 2.783-1.108.882-2.785 3.357-2.785 3.357-.59.59-.635 1.567-.06 2.143.576.575 1.798 1.043 3.015 1.544 1.506.62 5.465 1.676 7.566 2.325.359.11 1.74-1.271 1.63-1.63z"/><path fill="#EA596E" d="M13.643 5.308c1.151 1.151 1.151 3.016 0 4.167l-4.167 4.168c-1.151 1.15-3.018 1.15-4.167 0L1.141 9.475c-1.15-1.151-1.15-3.016 0-4.167l4.167-4.167c1.15-1.151 3.016-1.151 4.167 0l4.168 4.167z"/><path fill="#FFCC4D" d="M31.353 23.018l-4.17 4.17-4.163 4.165L7.392 15.726l8.335-8.334 15.626 15.626z"/><path fill="#292F33" d="M32.078 34.763s2.709 1.489 3.441.757c.732-.732-.765-3.435-.765-3.435s-2.566.048-2.676 2.678z"/><path fill="#CCD6DD" d="M2.183 10.517l8.335-8.335 5.208 5.209-8.334 8.335z"/><path fill="#99AAB5" d="M3.225 11.558l8.334-8.334 1.042 1.042L4.267 12.6zm2.083 2.086l8.335-8.335 1.042 1.042-8.335 8.334z"/></g></svg>AltText: pencilPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 4
- Clues
- I am a multiple of 4.
- I am less than 6.
- AnswerRange
- 1
- 20
- 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="#D99E82" d="M35.222 33.598c-.647-2.101-1.705-6.059-2.325-7.566-.501-1.216-.969-2.438-1.544-3.014-.575-.575-1.553-.53-2.143.058 0 0-2.469 1.675-3.354 2.783-1.108.882-2.785 3.357-2.785 3.357-.59.59-.635 1.567-.06 2.143.576.575 1.798 1.043 3.015 1.544 1.506.62 5.465 1.676 7.566 2.325.359.11 1.74-1.271 1.63-1.63z"/><path fill="#EA596E" d="M13.643 5.308c1.151 1.151 1.151 3.016 0 4.167l-4.167 4.168c-1.151 1.15-3.018 1.15-4.167 0L1.141 9.475c-1.15-1.151-1.15-3.016 0-4.167l4.167-4.167c1.15-1.151 3.016-1.151 4.167 0l4.168 4.167z"/><path fill="#FFCC4D" d="M31.353 23.018l-4.17 4.17-4.163 4.165L7.392 15.726l8.335-8.334 15.626 15.626z"/><path fill="#292F33" d="M32.078 34.763s2.709 1.489 3.441.757c.732-.732-.765-3.435-.765-3.435s-2.566.048-2.676 2.678z"/><path fill="#CCD6DD" d="M2.183 10.517l8.335-8.335 5.208 5.209-8.334 8.335z"/><path fill="#99AAB5" d="M3.225 11.558l8.334-8.334 1.042 1.042L4.267 12.6zm2.083 2.086l8.335-8.335 1.042 1.042-8.335 8.334z"/></g></svg>AltText: pencilPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 19
- Clues
- I am greater than 17.
- My ones digit is 9.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 12
- Clues
- I am an even number.
- I am not a multiple of 5.
- Half of me is 6.
- AnswerRange
- 1
- 20
- 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="#269" d="M32 7H4c-2.209 0-4 1.791-4 4v15c0 2.209 1.791 4 4 4h11.416c.52.596 1.477 1 2.584 1s2.065-.404 2.584-1H32c2.209 0 4-1.791 4-4V11c0-2.209-1.791-4-4-4z"/><path fill="#292F33" d="M20 27c0 1.104-.896 2-2 2s-2-.896-2-2V9c0-1.104.896-2 2-2s2 .896 2 2v18z"/><path fill="#99AAB5" d="M18 26c0 1.104-.896 2-2 2H4c-1.104 0-2-.896-2-2V8c0-1.104.896-2 2-2h12c1.104 0 2 .896 2 2v18z"/><path fill="#E1E8ED" d="M18 26c-.999-1.998-3.657-2-4-2-2 0-5 2-8 2-1 0-2-.896-2-2V8c0-1.104 1-2 2-2 3.255 0 6-2 8-2 3 0 4 1.896 4 3v19z"/><path fill="#99AAB5" d="M34 26c0 1.104-.896 2-2 2H20c-1.104 0-2-.896-2-2V8c0-1.104.896-2 2-2h12c1.104 0 2 .896 2 2v18z"/><path fill="#CCD6DD" d="M18 26c.999-1.998 3.657-2 4-2 2 0 5 2 8 2 1 0 2-.896 2-2V8c0-1.104-1-2-2-2-3.256 0-6-2-8-2-3 0-4 1.896-4 3v19z"/></g></svg>AltText: book openPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 5
- Clues
- My digits add up to 5.
- I am a multiple of 5.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 8
- Clues
- My ones digit is 8.
- My digits add up to 8.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 13
- Clues
- I am greater than 12.
- I am an odd number.
- My ones digit is 3.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 10
- Clues
- My tens digit is 1.
- My ones digit is 0.
- AnswerRange
- 1
- 20
- 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="#C1694F" d="M3.968 33.446C2.211 35.204.47 36.312.079 35.921c-.391-.391.718-2.132 2.475-3.889 1.757-1.758 3.498-2.866 3.889-2.475.39.391-.718 2.131-2.475 3.889z"/><path fill="#FFCC4D" d="M6.443 29.558l-2.122-2.122s-1.083 1.393-2.284 3.63C1.137 32.742.786 33.8.786 33.8l.707.707.707.707s1.059-.352 2.734-1.251c2.237-1.201 3.629-2.284 3.629-2.284l-2.12-2.121z"/><path fill="#31373D" d="M34.02 1.98c-3.535-3.536-18.164 10.297-18.871 11.004-.707.707-1.304 1.348-.928 1.724L12.1 16.829c-2.122 2.122-8.486 9.899-7.779 10.606l2.122 2.122 2.121 2.121c.707.707 8.485-5.657 10.607-7.778l2.121-2.121c.376.376 1.017-.222 1.724-.929.707-.706 14.54-15.334 11.004-18.87z"/><path fill="#FFCC4D" d="M23.016 20.851c.085-.084.362-.375.774-.817l-7.823-7.822c-.442.411-.732.689-.817.774-.707.707-1.304 1.348-.928 1.724l3.535 3.536 3.536 3.535c.375.374 1.016-.223 1.723-.93z"/><path fill="#FFAC33" d="M31.212 2.001C30.285 1.074 29.048.102 27.28.986c-1.768.884-7.313 4.441-9.878 7.005-1.322 1.322-1.247 2.102-.751 2.165.821.106 1.37.088 2.122-.663.75-.751.883-2.033.883-2.033s3.05-2.342 5.458-3.778c2.409-1.437 3.268-1.682 4.11-.84.842.842 1.988-.841 1.988-.841z"/><path fill="#FFAC33" d="M28.87 2.487l4.643 4.643c.353-.709.631-1.384.818-2.011l-3.45-3.45c-.627.188-1.301.466-2.011.818z"/></g></svg>AltText: penPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 8
- Clues
- I am less than 9.
- I am a multiple of 2.
- I am not a multiple of 3.
- My ones digit is 8.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 20
- Clues
- I am greater than 19.
- AnswerRange
- 1
- 20
- 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="#C1694F" d="M32 34c0 1.104-.896 2-2 2H6c-1.104 0-2-.896-2-2V7c0-1.104.896-2 2-2h24c1.104 0 2 .896 2 2v27z"/><path fill="#FFF" d="M29 32c0 .553-.447 1-1 1H8c-.552 0-1-.447-1-1V9c0-.552.448-1 1-1h20c.553 0 1 .448 1 1v23z"/><path fill="#CCD6DD" d="M25 3h-4c0-1.657-1.343-3-3-3s-3 1.343-3 3h-4c-1.104 0-2 .896-2 2v5h18V5c0-1.104-.896-2-2-2z"/><circle fill="#292F33" cx="18" cy="3" r="2"/><path fill="#99AAB5" d="M20 14c0 .552-.447 1-1 1h-9c-.552 0-1-.448-1-1s.448-1 1-1h9c.553 0 1 .448 1 1zm7 4c0 .552-.447 1-1 1H10c-.552 0-1-.448-1-1s.448-1 1-1h16c.553 0 1 .448 1 1zm0 4c0 .553-.447 1-1 1H10c-.552 0-1-.447-1-1 0-.553.448-1 1-1h16c.553 0 1 .447 1 1zm0 4c0 .553-.447 1-1 1H10c-.552 0-1-.447-1-1 0-.553.448-1 1-1h16c.553 0 1 .447 1 1zm0 4c0 .553-.447 1-1 1h-9c-.552 0-1-.447-1-1 0-.553.448-1 1-1h9c.553 0 1 .447 1 1z"/></g></svg>AltText: chalkboardPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 12
- Clues
- I am an even number.
- My tens digit is 1.
- My digits add up to 3.
- AnswerRange
- 1
- 20
- 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="#BE1931" d="M23.651 23.297L12.702 12.348l9.386-7.821 9.385 9.385z"/><path fill="#DD2E44" d="M34.6 13.912c-1.727 1.729-4.528 1.729-6.255 0l-6.257-6.256c-1.729-1.727-1.729-4.53 0-6.258 1.726-1.727 4.528-1.727 6.257 0L34.6 7.656c1.728 1.727 1.728 4.529 0 6.256z"/><path fill="#99AAB5" d="M14 17.823S-.593 35.029.188 35.813C.97 36.596 18.177 22 18.177 22L14 17.823z"/><path fill="#DD2E44" d="M25.215 27.991c-1.726 1.729-4.528 1.729-6.258 0L8.009 17.041c-1.727-1.728-1.727-4.528 0-6.256 1.728-1.729 4.53-1.729 6.258 0l10.948 10.949c1.728 1.729 1.728 4.528 0 6.257z"/></g></svg>AltText: pushpinPlacement: before-question
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Use the clues to find the mystery number.
Show answer
Answer: 3
- Clues
- My ones digit is 3.
- If you double me, you get 6.
- AnswerRange
- 1
- 20
- Visual
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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 Easy 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.