Multiples, Factors, Prime, and Composite
Find factors and multiples, then sort numbers up to 100 into prime and composite. Free printable PDF with answer key.
12 problems · Standards: 4.OA.B.4 · Difficulty: medium
✅ Answer key included · ✅ Free for home & classroom use
Highlights
- Grade
- Grade 4
- Subject
- Math
- Pages
- 2 · worksheet + answer key
- Answer key
- ✅ Included
- Class time
- about 15 min
What's inside
- 1. List the first 5 multiples of 3. Is 3 prime or composite?
- 2. List all the factors of 8. Is 8 prime or composite?
- 3. List the first 4 multiples of 7. Is 7 prime or composite?
- 4. List all the factors of 12. Is 12 prime or composite?
- 5. List all the factors of 17. Is 17 prime or composite?
- 6. List the first 6 multiples of 9. Is 9 prime or composite?
Showing 6 of 12 problems. The free PDF includes every problem plus the full answer key.
Preview
The free PDF includes all 2 pages — every problem plus the full answer key.
What’s included
- 12 problems across 2 pages (worksheet + answer key)
- Answer key included — every answer, ready to check
- Standards: 4.OA.B.4
- Skill: Finding factors and multiples and classifying numbers as prime or composite to 100
- Suggested use: morning work, classwork, homework, math centers, or sub plans
Reviews
Loading reviews…
More grade 4 math worksheets
Division Facts Practice
Practice division facts with one-digit divisors — 12 problems that build the foundation for long division. Free printable PDF for 4th grade with a complete answer key.
Fractions That Are Equal
Master equivalent fractions with 14 problems. Gateway to all fraction operations — free printable PDF with answer key.
Long Division Step by Step
Conquer long division with 1-digit divisors across 12 step-by-step problems. The 4th grade milestone — free printable PDF with answer key.
Big Multiplication
Multiply 2-digit by 2-digit numbers with 12 practice problems. Essential fluency — free printable PDF with answer key.