Workbook Detail
Number Detective Medium — Set 4
This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.
{
"_meta": {
"schemaVersion": "2.0.0",
"nodeId": "node-1-detective-medium",
"pageNumber": 4,
"generatedAt": "2026-03-01T01:51:51.724Z",
"generatorVersion": "v7.2.1-wp-g2",
"seed": "2326205038162426317",
"resolvedParams": {
"expectedPuzzleSize": null,
"expectedSize": null,
"expectedDifficulty": "medium",
"expectedVariant": null,
"displayDifficulty": "medium",
"theme": null,
"contentType": null,
"source": {
"puzzleSize": "config",
"size": "config",
"difficulty": "slug",
"variant": "config"
}
},
"contractVersion": "1.0",
"canonicalVersion": "2.0",
"archetype": "form-exercise",
"contentHash": "7b33fbffa177db5783906cc8beb3b32c104b9fe1d595cb2ee4aea1b3e50637b7",
"fallbackReason": null
},
"title": "form-exercise set 4",
"operation": "number-detective",
"subject": "arithmetic",
"difficulty": "medium",
"config": {
"difficulty": "medium",
"maxNumber": 10
},
"problems": [
{
"id": 1,
"type": "number-detective",
"clues": [
"I am an odd number.",
"I am not a multiple of 5.",
"I am a multiple of 3.",
"I am greater than 18.",
"If you double me, you get 54."
],
"answer": 27,
"correctAnswer": "27",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 2,
"type": "number-detective",
"clues": [
"I am greater than 23.",
"I am an odd number.",
"I am a multiple of 5.",
"My tens digit is 2."
],
"answer": 25,
"correctAnswer": "25",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 3,
"type": "number-detective",
"clues": [
"If you double me, you get 82."
],
"answer": 41,
"correctAnswer": "41",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 4,
"type": "number-detective",
"clues": [
"My tens digit is 3.",
"If you double me, you get 68."
],
"answer": 34,
"correctAnswer": "34",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 5,
"type": "number-detective",
"clues": [
"My ones digit is 7.",
"My digits add up to 10."
],
"answer": 37,
"correctAnswer": "37",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 6,
"type": "number-detective",
"clues": [
"My tens digit is 2.",
"My digits add up to 2."
],
"answer": 20,
"correctAnswer": "20",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number.",
"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>",
"altText": "abacus",
"placement": "before-question"
},
"_visualToken": {
"type": "asset-ref",
"effectiveProvider": "twemoji",
"requestedProvider": "twemoji",
"iconSize": 36,
"layout": "icon-badge",
"placement": "before-question",
"items": [
{
"ref": "twemoji:1f9ee",
"name": "abacus",
"count": 1,
"role": "badge"
}
]
}
},
{
"id": 7,
"type": "number-detective",
"clues": [
"I am a multiple of 3.",
"I am not a multiple of 5.",
"If you double me, you get 54."
],
"answer": 27,
"correctAnswer": "27",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 8,
"type": "number-detective",
"clues": [
"I am greater than 34.",
"My tens digit is 3.",
"If you double me, you get 72."
],
"answer": 36,
"correctAnswer": "36",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 9,
"type": "number-detective",
"clues": [
"If you double me, you get 28."
],
"answer": 14,
"correctAnswer": "14",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number.",
"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>",
"altText": "backpack",
"placement": "before-question"
},
"_visualToken": {
"type": "asset-ref",
"effectiveProvider": "twemoji",
"requestedProvider": "twemoji",
"iconSize": 36,
"layout": "icon-badge",
"placement": "before-question",
"items": [
{
"ref": "twemoji:1f392",
"name": "backpack",
"count": 1,
"role": "badge"
}
]
}
},
{
"id": 10,
"type": "number-detective",
"clues": [
"My ones digit is 0.",
"I am a multiple of 3."
],
"answer": 30,
"correctAnswer": "30",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 11,
"type": "number-detective",
"clues": [
"Half of me is 11."
],
"answer": 22,
"correctAnswer": "22",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 12,
"type": "number-detective",
"clues": [
"I am less than 40.",
"Half of me is 18."
],
"answer": 36,
"correctAnswer": "36",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 13,
"type": "number-detective",
"clues": [
"I am not a multiple of 3.",
"My digits add up to 13."
],
"answer": 49,
"correctAnswer": "49",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 14,
"type": "number-detective",
"clues": [
"I am not a multiple of 5.",
"My digits add up to 9.",
"My tens digit is 3."
],
"answer": 36,
"correctAnswer": "36",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 15,
"type": "number-detective",
"clues": [
"I am an even number.",
"I am not a multiple of 5.",
"I am less than 48.",
"My tens digit is 4.",
"If you double me, you get 92."
],
"answer": 46,
"correctAnswer": "46",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 16,
"type": "number-detective",
"clues": [
"If you double me, you get 94."
],
"answer": 47,
"correctAnswer": "47",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
},
{
"id": 17,
"type": "number-detective",
"clues": [
"I am not a multiple of 3.",
"My tens digit is 1.",
"My digits add up to 1."
],
"answer": 10,
"correctAnswer": "10",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number.",
"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=\"#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 closed",
"placement": "before-question"
},
"_visualToken": {
"type": "asset-ref",
"effectiveProvider": "twemoji",
"requestedProvider": "twemoji",
"iconSize": 36,
"layout": "icon-badge",
"placement": "before-question",
"items": [
{
"ref": "twemoji:1f4d5",
"name": "book-closed",
"count": 1,
"role": "badge"
}
]
}
},
{
"id": 18,
"type": "number-detective",
"clues": [
"I am not a multiple of 2.",
"I am less than 14.",
"If you double me, you get 18."
],
"answer": 9,
"correctAnswer": "9",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number.",
"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=\"#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": "paperclip",
"placement": "before-question"
},
"_visualToken": {
"type": "asset-ref",
"effectiveProvider": "twemoji",
"requestedProvider": "twemoji",
"iconSize": 36,
"layout": "icon-badge",
"placement": "before-question",
"items": [
{
"ref": "twemoji:1f4ce",
"name": "paperclip",
"count": 1,
"role": "badge"
}
]
}
},
{
"id": 19,
"type": "number-detective",
"clues": [
"I am less than 15.",
"I am not a multiple of 5.",
"My ones digit is 2."
],
"answer": 12,
"correctAnswer": "12",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number.",
"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=\"#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": "pushpin",
"placement": "before-question"
},
"_visualToken": {
"type": "asset-ref",
"effectiveProvider": "twemoji",
"requestedProvider": "twemoji",
"iconSize": 36,
"layout": "icon-badge",
"placement": "before-question",
"items": [
{
"ref": "twemoji:1f4cc",
"name": "pushpin",
"count": 1,
"role": "badge"
}
]
}
},
{
"id": 20,
"type": "number-detective",
"clues": [
"My ones digit is 4.",
"If you double me, you get 48."
],
"answer": 24,
"correctAnswer": "24",
"answerRange": [
5,
50
],
"question": "Use the clues to find the mystery number."
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
},
"_archetype": null,
"_generatorId": null
}Teaching Notes
- 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.
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.