Workbook Detail
Number Detective Hard — Set 41
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 58 and 80",
"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 58 and 80. 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": 77,
"clues": [
"I am between 64 and 83",
"I am odd",
"My digits sum to 14",
"I am not divisible by 2 or 5"
],
"answer": 77,
"question": "Number Detective: I am a number. 1. I am between 64 and 83. 2. I am odd. 3. My digits sum to 14. 4. I am not divisible by 2 or 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 15,
"clues": [
"I am between 4 and 24",
"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 4 and 24. 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 83 and 101",
"I am even",
"My digits sum to 16",
"I am divisible by 2"
],
"answer": 88,
"question": "Number Detective: I am a number. 1. I am between 83 and 101. 2. I am even. 3. My digits sum to 16. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 80,
"clues": [
"I am between 75 and 89",
"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 75 and 89. 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": 44,
"clues": [
"I am between 34 and 55",
"I am even",
"My digits sum to 8",
"I am divisible by 2"
],
"answer": 44,
"question": "Number Detective: I am a number. 1. I am between 34 and 55. 2. I am even. 3. My digits sum to 8. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 100,
"clues": [
"I am between 91 and 110",
"I am even",
"My digits sum to 1",
"I am divisible by 4"
],
"answer": 100,
"question": "Number Detective: I am a number. 1. I am between 91 and 110. 2. I am even. 3. My digits sum to 1. 4. I am divisible by 4. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 47,
"clues": [
"I am between 39 and 55",
"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 39 and 55. 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": 68,
"clues": [
"I am between 60 and 75",
"I am even",
"My digits sum to 14",
"I am divisible by 2"
],
"answer": 68,
"question": "Number Detective: I am a number. 1. I am between 60 and 75. 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": 42,
"clues": [
"I am between 35 and 56",
"I am even",
"My digits sum to 6",
"I am divisible by 2"
],
"answer": 42,
"question": "Number Detective: I am a number. 1. I am between 35 and 56. 2. I am even. 3. My digits sum to 6. 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 16",
"I am even",
"I am greater than 5",
"I am divisible by 2"
],
"answer": 8,
"question": "Number Detective: I am a number. 1. I am between 1 and 16. 2. I am even. 3. I am greater than 5. 4. I am divisible by 2. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 16,
"clues": [
"I am between 1 and 28",
"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 1 and 28. 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": 85,
"clues": [
"I am between 71 and 94",
"I am odd",
"My digits sum to 13",
"I am divisible by 5"
],
"answer": 85,
"question": "Number Detective: I am a number. 1. I am between 71 and 94. 2. I am odd. 3. My digits sum to 13. 4. I am divisible by 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 6,
"clues": [
"I am between 1 and 11",
"I am even",
"I am greater than 4",
"I am divisible by 3"
],
"answer": 6,
"question": "Number Detective: I am a number. 1. I am between 1 and 11. 2. I am even. 3. I am greater than 4. 4. I am divisible by 3. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 90,
"clues": [
"I am between 83 and 103",
"I am even",
"My digits sum to 9",
"I am divisible by 3"
],
"answer": 90,
"question": "Number Detective: I am a number. 1. I am between 83 and 103. 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": 24,
"clues": [
"I am between 15 and 35",
"I am even",
"My digits sum to 6",
"I am divisible by 3"
],
"answer": 24,
"question": "Number Detective: I am a number. 1. I am between 15 and 35. 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": 35,
"clues": [
"I am between 24 and 47",
"I am odd",
"My digits sum to 8",
"I am divisible by 5"
],
"answer": 35,
"question": "Number Detective: I am a number. 1. I am between 24 and 47. 2. I am odd. 3. My digits sum to 8. 4. I am divisible by 5. What number am I?",
"difficulty": "hard"
},
{
"type": "number-detective",
"subType": "number-detective",
"mystery": 71,
"clues": [
"I am between 56 and 82",
"I am odd",
"My digits sum to 8",
"I am not divisible by 2 or 5"
],
"answer": 71,
"question": "Number Detective: I am a number. 1. I am between 56 and 82. 2. I am odd. 3. My digits sum to 8. 4. I am not divisible by 2 or 5. 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 58 and 80. 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 64 and 83. 2. I am odd. 3. My digits sum to 14. 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 24. 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 83 and 101. 2. I am even. 3. My digits sum to 16. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 75 and 89. 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 34 and 55. 2. I am even. 3. My digits sum to 8. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 91 and 110. 2. I am even. 3. My digits sum to 1. 4. I am divisible by 4. What number am I?
- Number Detective: I am a number. 1. I am between 39 and 55. 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 60 and 75. 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 35 and 56. 2. I am even. 3. My digits sum to 6. 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 even. 3. I am greater than 5. 4. I am divisible by 2. What number am I?
- Number Detective: I am a number. 1. I am between 1 and 28. 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 71 and 94. 2. I am odd. 3. My digits sum to 13. 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 4. 4. I am divisible by 3. What number am I?
- Number Detective: I am a number. 1. I am between 83 and 103. 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 15 and 35. 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 24 and 47. 2. I am odd. 3. My digits sum to 8. 4. I am divisible by 5. What number am I?
- Number Detective: I am a number. 1. I am between 56 and 82. 2. I am odd. 3. My digits sum to 8. 4. I am not divisible by 2 or 5. 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.