Workbook Detail

Number Detective Medium — Set 6

Arithmetic B

medium Set 6 Form Exercise

Use the clues to find the mystery number.

Show answer

Answer: 16

Clues: My digits add up to 7.
I am a multiple of 4.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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>
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Use the clues to find the mystery number.

Show answer

Answer: 35

Clues: I am less than 37.
I am greater than 33.
I am a multiple of 5.
AnswerRange: 5
50

Use the clues to find the mystery number.

Show answer

Answer: 42

Clues: I am not a multiple of 5.
I am a multiple of 3.
I am an even number.
If you double me, you get 84.
AnswerRange: 5
50

Use the clues to find the mystery number.

Show answer

Answer: 50

Clues: I am an even number.
Half of me is 25.
AnswerRange: 5
50

Use the clues to find the mystery number.

Show answer

Answer: 15

Clues: I am less than 22.
I am a multiple of 5.
I am an odd number.
My digits add up to 6.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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>
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Use the clues to find the mystery number.

Show answer

Answer: 6

Clues: If you double me, you get 12.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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>
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Use the clues to find the mystery number.

Show answer

Answer: 29

Clues: I am not a multiple of 2.
If you double me, you get 58.
AnswerRange: 5
50

Use the clues to find the mystery number.

Show answer

Answer: 20

Clues: I am less than 23.
My digits add up to 2.
I am a multiple of 5.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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>
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Use the clues to find the mystery number.

Show answer

Answer: 18

Clues: My ones digit is 8.
My digits add up to 9.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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>
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Use the clues to find the mystery number.

Show answer

Answer: 15

Clues: I am not a multiple of 2.
My tens digit is 1.
My ones digit is 5.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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="#FFCC4D" d="M30.021 34.264c-1.563 1.563-4.095 1.562-5.656 0L1.736 11.636c-1.562-1.562-1.563-4.094 0-5.657l4.243-4.242c1.562-1.562 4.095-1.562 5.657 0l22.626 22.628c1.562 1.562 1.562 4.096.001 5.656l-4.242 4.243z"/><path fill="#292F33" d="M9.515 6.687c-.391.39-1.023.39-1.414 0-.39-.391-.39-1.024 0-1.415l3.536-3.536 1.414 1.415-3.536 3.536zm5.656 1.414c-.39.391-1.024.391-1.414 0-.391-.391-.391-1.024 0-1.414l1.415-1.415 1.414 1.415-1.415 1.414zm1.415 5.656c-.391.391-1.024.391-1.414 0-.39-.391-.39-1.024 0-1.414l3.536-3.536c.486.486.929.928 1.414 1.415l-3.536 3.535zm5.656 1.414c-.39.391-1.023.391-1.413 0-.392-.391-.391-1.024 0-1.414l1.414-1.415c.485.487.928.928 1.414 1.415l-1.415 1.414zm1.415 5.657c-.391.391-1.023.392-1.414 0-.391-.391-.391-1.023-.001-1.414l3.536-3.535 1.414 1.414-3.535 3.535zm7.071 7.071c-.39.391-1.023.391-1.413 0-.392-.391-.392-1.023-.001-1.414l3.536-3.535 1.414 1.414-3.536 3.535zm-1.415-5.657c-.391.391-1.022.391-1.414.001-.391-.391-.39-1.024 0-1.414l1.415-1.414 1.413 1.413-1.414 1.414z"/></g></svg>
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Use the clues to find the mystery number.

Show answer

Answer: 21

Clues: My digits add up to 3.
I am not a multiple of 2.
AnswerRange: 5
50

Use the clues to find the mystery number.

Show answer

Answer: 15

Clues: If you double me, you get 30.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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>
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Use the clues to find the mystery number.

Show answer

Answer: 10

Clues: Half of me is 5.
AnswerRange: 5
50
Visual: Type: inline-svg
Svg: <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>
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Use the clues to find the mystery number.

Show answer

Answer: 24

Clues: I am less than 31.
I am a multiple of 2.
If you double me, you get 48.
AnswerRange: 5
50

Use the clues to find the mystery number.

Show answer

Answer: 48

Clues: If you double me, you get 96.
AnswerRange: 5
50

Use the clues to find the mystery number.

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Answer: 46

Clues: I am an even number.
My ones digit is 6.
If you double me, you get 92.
AnswerRange: 5
50

Use the clues to find the mystery number.

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Answer: 34

Clues: I am an even number.
I am not a multiple of 3.
My digits add up to 7.
My tens digit is 3.
AnswerRange: 5
50

Use the clues to find the mystery number.

Show answer

Answer: 49

Clues: I am not a multiple of 3.
My ones digit is 9.
I am greater than 43.
AnswerRange: 5
50

Use the clues to find the mystery number.

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Answer: 7

Clues: I am less than 10.
If you double me, you get 14.
AnswerRange: 5
50
Visual: Type: inline-svg
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Use the clues to find the mystery number.

Show answer

Answer: 48

Clues: My digits add up to 12.
My ones digit is 8.
AnswerRange: 5
50

← More Arithmetic

Number Detective Medium — Set 6

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Use the clues to find the mystery number.

Teaching Notes

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