Workbook Detail
Number Detective Hard — Set 81
This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.
{
"contentData": {
"operation": "number-detective",
"subject": "arithmetic",
"difficulty": "hard",
"config": {
"difficulty": "hard",
"maxNumber": 10
},
"problems": [
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 12,
"clues": [
"I am between 4 and 23",
"I am even",
"My digits sum to 3",
"I am divisible by 4"
],
"answer": 12,
"question": "Number Detective: I am a number. 1. I am between 4 and 23. 2. I am even. 3. My digits sum to 3. 4. I am divisible by 4. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 99,
"clues": [
"I am between 94 and 112",
"I am odd",
"My digits sum to 18",
"I am divisible by 3"
],
"answer": 99,
"question": "Number Detective: I am a number. 1. I am between 94 and 112. 2. I am odd. 3. My digits sum to 18. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 57,
"clues": [
"I am between 44 and 69",
"I am odd",
"My digits sum to 12",
"I am divisible by 3"
],
"answer": 57,
"question": "Number Detective: I am a number. 1. I am between 44 and 69. 2. I am odd. 3. My digits sum to 12. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 33,
"clues": [
"I am between 18 and 38",
"I am odd",
"My digits sum to 6",
"I am divisible by 3"
],
"answer": 33,
"question": "Number Detective: I am a number. 1. I am between 18 and 38. 2. I am odd. 3. My digits sum to 6. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 66,
"clues": [
"I am between 56 and 73",
"I am even",
"My digits sum to 12",
"I am divisible by 2"
],
"answer": 66,
"question": "Number Detective: I am a number. 1. I am between 56 and 73. 2. I am even. 3. My digits sum to 12. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 61,
"clues": [
"I am between 50 and 73",
"I am odd",
"My digits sum to 7",
"I am not divisible by 2 or 5"
],
"answer": 61,
"question": "Number Detective: I am a number. 1. I am between 50 and 73. 2. I am odd. 3. My digits sum to 7. 4. I am not divisible by 2 or 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 11,
"clues": [
"I am between 6 and 22",
"I am odd",
"My digits sum to 2",
"I am not divisible by 2 or 5"
],
"answer": 11,
"question": "Number Detective: I am a number. 1. I am between 6 and 22. 2. I am odd. 3. My digits sum to 2. 4. I am not divisible by 2 or 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 19,
"clues": [
"I am between 4 and 26",
"I am odd",
"My digits sum to 10",
"I am not divisible by 2 or 5"
],
"answer": 19,
"question": "Number Detective: I am a number. 1. I am between 4 and 26. 2. I am odd. 3. My digits sum to 10. 4. I am not divisible by 2 or 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 32,
"clues": [
"I am between 26 and 41",
"I am even",
"My digits sum to 5",
"I am divisible by 2"
],
"answer": 32,
"question": "Number Detective: I am a number. 1. I am between 26 and 41. 2. I am even. 3. My digits sum to 5. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 47,
"clues": [
"I am between 41 and 59",
"I am odd",
"My digits sum to 11",
"I am not divisible by 2 or 5"
],
"answer": 47,
"question": "Number Detective: I am a number. 1. I am between 41 and 59. 2. I am odd. 3. My digits sum to 11. 4. I am not divisible by 2 or 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 18,
"clues": [
"I am between 10 and 25",
"I am even",
"My digits sum to 9",
"I am divisible by 2"
],
"answer": 18,
"question": "Number Detective: I am a number. 1. I am between 10 and 25. 2. I am even. 3. My digits sum to 9. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 93,
"clues": [
"I am between 88 and 100",
"I am odd",
"My digits sum to 12",
"I am divisible by 3"
],
"answer": 93,
"question": "Number Detective: I am a number. 1. I am between 88 and 100. 2. I am odd. 3. My digits sum to 12. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 80,
"clues": [
"I am between 66 and 85",
"I am even",
"My digits sum to 8",
"I am divisible by 4"
],
"answer": 80,
"question": "Number Detective: I am a number. 1. I am between 66 and 85. 2. I am even. 3. My digits sum to 8. 4. I am divisible by 4. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 69,
"clues": [
"I am between 64 and 79",
"I am odd",
"My digits sum to 15",
"I am divisible by 3"
],
"answer": 69,
"question": "Number Detective: I am a number. 1. I am between 64 and 79. 2. I am odd. 3. My digits sum to 15. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 29,
"clues": [
"I am between 20 and 40",
"I am odd",
"My digits sum to 11",
"I am not divisible by 2 or 5"
],
"answer": 29,
"question": "Number Detective: I am a number. 1. I am between 20 and 40. 2. I am odd. 3. My digits sum to 11. 4. I am not divisible by 2 or 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 86,
"clues": [
"I am between 76 and 93",
"I am even",
"My digits sum to 14",
"I am divisible by 2"
],
"answer": 86,
"question": "Number Detective: I am a number. 1. I am between 76 and 93. 2. I am even. 3. My digits sum to 14. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 100,
"clues": [
"I am between 95 and 113",
"I am even",
"My digits sum to 1",
"I am divisible by 5"
],
"answer": 100,
"question": "Number Detective: I am a number. 1. I am between 95 and 113. 2. I am even. 3. My digits sum to 1. 4. I am divisible by 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 15,
"clues": [
"I am between 3 and 28",
"I am odd",
"My digits sum to 6",
"I am divisible by 5"
],
"answer": 15,
"question": "Number Detective: I am a number. 1. I am between 3 and 28. 2. I am odd. 3. My digits sum to 6. 4. I am divisible by 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 9,
"clues": [
"I am between 1 and 17",
"I am odd",
"I am greater than 6",
"I am divisible by 3"
],
"answer": 9,
"question": "Number Detective: I am a number. 1. I am between 1 and 17. 2. I am odd. 3. I am greater than 6. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 21,
"clues": [
"I am between 15 and 33",
"I am odd",
"My digits sum to 3",
"I am divisible by 3"
],
"answer": 21,
"question": "Number Detective: I am a number. 1. I am between 15 and 33. 2. I am odd. 3. My digits sum to 3. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
}
],
"layout": {
"columns": 2,
"problemsPerPage": 20
}
},
"outputTargets": {
"screen": true,
"print": true,
"pdf": true,
"answerKey": true
},
"_archetype": "form-exercise",
"_generatorId": "arithmetic-generator-v7.2.1"
}Teaching Notes
- Number Detective: I am a number. 1. I am between 4 and 23. 2. I am even. 3. My digits sum to 3. 4. I am divisible by 4. What number am I?
- Number Detective: I am a number. 1. I am between 94 and 112. 2. I am odd. 3. My digits sum to 18. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 44 and 69. 2. I am odd. 3. My digits sum to 12. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 18 and 38. 2. I am odd. 3. My digits sum to 6. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 56 and 73. 2. I am even. 3. My digits sum to 12. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 50 and 73. 2. I am odd. 3. My digits sum to 7. 4. I am not divisible by 2 or 5. What number am I?
- Number Detective: I am a number. 1. I am between 6 and 22. 2. I am odd. 3. My digits sum to 2. 4. I am not divisible by 2 or 5. What number am I?
- Number Detective: I am a number. 1. I am between 4 and 26. 2. I am odd. 3. My digits sum to 10. 4. I am not divisible by 2 or 5. What number am I?
- Number Detective: I am a number. 1. I am between 26 and 41. 2. I am even. 3. My digits sum to 5. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 41 and 59. 2. I am odd. 3. My digits sum to 11. 4. I am not divisible by 2 or 5. What number am I?
- Number Detective: I am a number. 1. I am between 10 and 25. 2. I am even. 3. My digits sum to 9. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 88 and 100. 2. I am odd. 3. My digits sum to 12. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 66 and 85. 2. I am even. 3. My digits sum to 8. 4. I am divisible by 4. What number am I?
- Number Detective: I am a number. 1. I am between 64 and 79. 2. I am odd. 3. My digits sum to 15. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 20 and 40. 2. I am odd. 3. My digits sum to 11. 4. I am not divisible by 2 or 5. What number am I?
- Number Detective: I am a number. 1. I am between 76 and 93. 2. I am even. 3. My digits sum to 14. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 95 and 113. 2. I am even. 3. My digits sum to 1. 4. I am divisible by 5. What number am I?
- Number Detective: I am a number. 1. I am between 3 and 28. 2. I am odd. 3. My digits sum to 6. 4. I am divisible by 5. What number am I?
- Number Detective: I am a number. 1. I am between 1 and 17. 2. I am odd. 3. I am greater than 6. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 15 and 33. 2. I am odd. 3. My digits sum to 3. 4. I am divisible by 3. What number am I?
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 Hard 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.