Workbook Detail
Number Detective Easy — Set 10
Use the clues to find the mystery number.
Show answer
Answer: 1
- Clues
- I am less than 3.
- My digits add up to 1.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 18
- Clues
- If you double me, you get 36.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 2
- Clues
- Half of me is 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="#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: 16
- Clues
- Half of me is 8.
- 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="#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: 12
- Clues
- I am not a multiple of 5.
- If you double me, you get 24.
- 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: 11
- Clues
- My ones digit is 1.
- I am greater than 6.
- AnswerRange
- 1
- 20
- Visual
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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
- 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: 20
- Clues
- I am greater than 18.
- My digits add up to 2.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 10
- Clues
- I am not a multiple of 3.
- My tens digit is 1.
- I am an even number.
- My ones digit is 0.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 2
- Clues
- My ones digit is 2.
- If you double me, you get 4.
- 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
- VisualToken
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Use the clues to find the mystery number.
Show answer
Answer: 7
- Clues
- I am not a multiple of 5.
- I am greater than 2.
- I am an odd number.
- 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 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: 16
- Clues
- If you double me, you get 32.
- 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="#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
- VisualToken
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Use the clues to find the mystery number.
Show answer
Answer: 4
- Clues
- I am an even number.
- I am not a multiple of 3.
- I am less than 7.
- My digits add up to 4.
- 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
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f393","name":"graduation","count":1,"role":"badge"}]
Use the clues to find the mystery number.
Show answer
Answer: 5
- Clues
- My ones digit is 5.
- My digits add up to 5.
- 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
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f4d9","name":"book-orange","count":1,"role":"badge"}]
Use the clues to find the mystery number.
Show answer
Answer: 12
- Clues
- My digits add up to 3.
- I am an even number.
- 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="#CCD6DD" d="M3 16v-2h30v2zm0 7v-2h30v2zm0 7v-2h30v2zM3 9V7h30v2z"/><path fill="#D5AB88" d="M35 33V1c0-.552-.448-1-1-1h-1c-.552 0-1 .448-1 1H4c0-.552-.448-1-1-1H2c-.552 0-1 .448-1 1v32h34zM4 4h28v29H4V4z"/><path fill="#3B94D9" d="M19 5.5c-.829 0-1.5.671-1.5 1.5 0-.829-.671-1.5-1.5-1.5s-1.5.671-1.5 1.5c0-.829-.671-1.5-1.5-1.5s-1.5.671-1.5 1.5c0-.829-.671-1.5-1.5-1.5S8.5 6.171 8.5 7c0-.829-.671-1.5-1.5-1.5S5.5 6.171 5.5 7v2c0 .829.671 1.5 1.5 1.5S8.5 9.829 8.5 9c0 .829.671 1.5 1.5 1.5s1.5-.671 1.5-1.5c0 .829.671 1.5 1.5 1.5s1.5-.671 1.5-1.5c0 .829.671 1.5 1.5 1.5s1.5-.671 1.5-1.5c0 .829.671 1.5 1.5 1.5.828 0 1.5-.671 1.5-1.5V7c0-.829-.672-1.5-1.5-1.5z"/><path fill="#BE1931" d="M19 12.5c-.829 0-1.5.671-1.5 1.5 0-.829-.671-1.5-1.5-1.5s-1.5.671-1.5 1.5c0-.829-.671-1.5-1.5-1.5s-1.5.671-1.5 1.5c0-.829-.671-1.5-1.5-1.5s-1.5.671-1.5 1.5c0-.829-.671-1.5-1.5-1.5s-1.5.671-1.5 1.5v2c0 .829.671 1.5 1.5 1.5s1.5-.671 1.5-1.5c0 .829.671 1.5 1.5 1.5s1.5-.671 1.5-1.5c0 .829.671 1.5 1.5 1.5s1.5-.671 1.5-1.5c0 .829.671 1.5 1.5 1.5s1.5-.671 1.5-1.5c0 .829.671 1.5 1.5 1.5.828 0 1.5-.671 1.5-1.5v-2c0-.829-.672-1.5-1.5-1.5z"/><path fill="#5C913B" d="M19 19.5c-.829 0-1.5.672-1.5 1.5 0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5c0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5c0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5c0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5v2c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5.828 0 1.5-.672 1.5-1.5v-2c0-.828-.672-1.5-1.5-1.5z"/><path fill="#FFAC33" d="M19 26.5c-.829 0-1.5.672-1.5 1.5 0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5c0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5c0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5c0-.828-.671-1.5-1.5-1.5s-1.5.672-1.5 1.5v2c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5s1.5-.672 1.5-1.5c0 .828.671 1.5 1.5 1.5.828 0 1.5-.672 1.5-1.5v-2c0-.828-.672-1.5-1.5-1.5z"/><path fill="#3B94D9" d="M29 10.5c-.828 0-1.5-.671-1.5-1.5V7c0-.829.672-1.5 1.5-1.5s1.5.671 1.5 1.5v2c0 .829-.672 1.5-1.5 1.5z"/><path fill="#BE1931" d="M29 17.5c-.828 0-1.5-.671-1.5-1.5v-2c0-.829.672-1.5 1.5-1.5s1.5.671 1.5 1.5v2c0 .829-.672 1.5-1.5 1.5z"/><path fill="#5C913B" d="M29 24.5c-.828 0-1.5-.672-1.5-1.5v-2c0-.828.672-1.5 1.5-1.5s1.5.672 1.5 1.5v2c0 .828-.672 1.5-1.5 1.5z"/><path fill="#FFAC33" d="M29 31.5c-.828 0-1.5-.672-1.5-1.5v-2c0-.828.672-1.5 1.5-1.5s1.5.672 1.5 1.5v2c0 .828-.672 1.5-1.5 1.5z"/><path fill="#BF6952" d="M35 33H1c-.552 0-1 .448-1 1v1c0 .552.448 1 1 1h34c.552 0 1-.448 1-1v-1c0-.552-.448-1-1-1z"/></g></svg>AltText: abacusPlacement: before-question
- VisualToken
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Use the clues to find the mystery number.
Show answer
Answer: 8
- Clues
- I am not a multiple of 3.
- Half of me is 4.
- 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="#292F33" 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="#292F33" 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="#66757F" 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="#292F33" 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"/><path d="M7 8h3v4H7zm7 0h4v4h-4zm12 .056c-.214-.031-.433-.056-.665-.056H22v4h4V8.056zM18 12h4v4h-4zm8 0h3v4h-3zm-16 0h4v4h-4zm-3 4h3v4H7zm7 0h4v4h-4zm8 0h4v4h-4zm-4 4h4v4h-4zm8 0h3v4h-3zm-16 0h4v4h-4zm-3 4h3v4H7zm7 0h4v4h-4zm8 0h4v4h-4zM7 32h3v4H7zm7 0h4v4h-4zm8 4h3c.347 0 .679-.058 1-.141V32h-4v4zm-4-8h4v4h-4zm8 0h3v4h-3zm-16 0h4v4h-4z" fill="#CCD6DD"/></g></svg>AltText: notebookPlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f4d3","name":"notebook","count":1,"role":"badge"}]
Use the clues to find the mystery number.
Show answer
Answer: 9
- Clues
- I am an odd number.
- I am greater than 5.
- I am less than 13.
- I am a multiple of 3.
- AnswerRange
- 1
- 20
- Visual
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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 an odd number.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 13
- Clues
- My digits add up to 4.
- My tens digit is 1.
- AnswerRange
- 1
- 20
- Visual
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Use the clues to find the mystery number.
Show answer
Answer: 13
- Clues
- My digits add up to 4.
- My ones digit is 3.
- 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.