Workbook Detail
Number Detective Hard — Set 78
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": 70,
"clues": [
"I am between 59 and 82",
"I am even",
"My digits sum to 7",
"I am divisible by 5"
],
"answer": 70,
"question": "Number Detective: I am a number. 1. I am between 59 and 82. 2. I am even. 3. My digits sum to 7. 4. I am divisible by 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 2,
"clues": [
"I am between 1 and 11",
"I am even",
"I am greater than 1",
"I am divisible by 2"
],
"answer": 2,
"question": "Number Detective: I am a number. 1. I am between 1 and 11. 2. I am even. 3. I am greater than 1. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 9,
"clues": [
"I am between 1 and 16",
"I am odd",
"I am greater than 5",
"I am divisible by 3"
],
"answer": 9,
"question": "Number Detective: I am a number. 1. I am between 1 and 16. 2. I am odd. 3. I am greater than 5. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 15,
"clues": [
"I am between 1 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 1 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": 88,
"clues": [
"I am between 80 and 94",
"I am even",
"My digits sum to 16",
"I am divisible by 4"
],
"answer": 88,
"question": "Number Detective: I am a number. 1. I am between 80 and 94. 2. I am even. 3. My digits sum to 16. 4. I am divisible by 4. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 66,
"clues": [
"I am between 58 and 80",
"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 58 and 80. 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": 99,
"clues": [
"I am between 86 and 113",
"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 86 and 113. 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": 42,
"clues": [
"I am between 34 and 47",
"I am even",
"My digits sum to 6",
"I am divisible by 3"
],
"answer": 42,
"question": "Number Detective: I am a number. 1. I am between 34 and 47. 2. I am even. 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": 36,
"clues": [
"I am between 22 and 50",
"I am even",
"My digits sum to 9",
"I am divisible by 3"
],
"answer": 36,
"question": "Number Detective: I am a number. 1. I am between 22 and 50. 2. I am even. 3. My digits sum to 9. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 30,
"clues": [
"I am between 16 and 42",
"I am even",
"My digits sum to 3",
"I am divisible by 3"
],
"answer": 30,
"question": "Number Detective: I am a number. 1. I am between 16 and 42. 2. I am even. 3. My digits sum to 3. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 47,
"clues": [
"I am between 32 and 53",
"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 32 and 53. 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": 16,
"clues": [
"I am between 6 and 24",
"I am even",
"My digits sum to 7",
"I am divisible by 4"
],
"answer": 16,
"question": "Number Detective: I am a number. 1. I am between 6 and 24. 2. I am even. 3. My digits sum to 7. 4. I am divisible by 4. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 12,
"clues": [
"I am between 7 and 25",
"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 7 and 25. 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": 56,
"clues": [
"I am between 42 and 65",
"I am even",
"My digits sum to 11",
"I am divisible by 2"
],
"answer": 56,
"question": "Number Detective: I am a number. 1. I am between 42 and 65. 2. I am even. 3. My digits sum to 11. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 31,
"clues": [
"I am between 25 and 44",
"I am odd",
"My digits sum to 4",
"I am not divisible by 2 or 5"
],
"answer": 31,
"question": "Number Detective: I am a number. 1. I am between 25 and 44. 2. I am odd. 3. My digits sum to 4. 4. I am not divisible by 2 or 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 20,
"clues": [
"I am between 5 and 34",
"I am even",
"My digits sum to 2",
"I am divisible by 2"
],
"answer": 20,
"question": "Number Detective: I am a number. 1. I am between 5 and 34. 2. I am even. 3. My digits sum to 2. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 8,
"clues": [
"I am between 1 and 23",
"I am even",
"I am greater than 7",
"I am divisible by 2"
],
"answer": 8,
"question": "Number Detective: I am a number. 1. I am between 1 and 23. 2. I am even. 3. I am greater than 7. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 55,
"clues": [
"I am between 43 and 68",
"I am odd",
"My digits sum to 10",
"I am divisible by 5"
],
"answer": 55,
"question": "Number Detective: I am a number. 1. I am between 43 and 68. 2. I am odd. 3. My digits sum to 10. 4. I am divisible by 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 52,
"clues": [
"I am between 40 and 59",
"I am even",
"My digits sum to 7",
"I am divisible by 2"
],
"answer": 52,
"question": "Number Detective: I am a number. 1. I am between 40 and 59. 2. I am even. 3. My digits sum to 7. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 84,
"clues": [
"I am between 71 and 99",
"I am even",
"My digits sum to 12",
"I am divisible by 3"
],
"answer": 84,
"question": "Number Detective: I am a number. 1. I am between 71 and 99. 2. I am even. 3. My digits sum to 12. 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 59 and 82. 2. I am even. 3. My digits sum to 7. 4. I am divisible by 5. What number am I?
- Number Detective: I am a number. 1. I am between 1 and 11. 2. I am even. 3. I am greater than 1. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 1 and 16. 2. I am odd. 3. I am greater than 5. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 1 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 80 and 94. 2. I am even. 3. My digits sum to 16. 4. I am divisible by 4. What number am I?
- Number Detective: I am a number. 1. I am between 58 and 80. 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 86 and 113. 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 34 and 47. 2. I am even. 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 22 and 50. 2. I am even. 3. My digits sum to 9. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 16 and 42. 2. I am even. 3. My digits sum to 3. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 32 and 53. 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 6 and 24. 2. I am even. 3. My digits sum to 7. 4. I am divisible by 4. What number am I?
- Number Detective: I am a number. 1. I am between 7 and 25. 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 42 and 65. 2. I am even. 3. My digits sum to 11. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 25 and 44. 2. I am odd. 3. My digits sum to 4. 4. I am not divisible by 2 or 5. What number am I?
- Number Detective: I am a number. 1. I am between 5 and 34. 2. I am even. 3. My digits sum to 2. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 1 and 23. 2. I am even. 3. I am greater than 7. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 43 and 68. 2. I am odd. 3. My digits sum to 10. 4. I am divisible by 5. What number am I?
- Number Detective: I am a number. 1. I am between 40 and 59. 2. I am even. 3. My digits sum to 7. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 71 and 99. 2. I am even. 3. My digits sum to 12. 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.