Plainfield Board of Education
Office of Elementary Mathematics
Name: _____________________________________
Date: ________________
Teacher: ___________________________________
Grade 4
Unit 2 Priority Standard Pre-Assessment- Factors and Multiples ANSWER KEY
4.OA.4
1. What are the first five multiples of the number 7? 0, 7, 14, 21, 28 or 7, 14, 21, 28, 35
2. What are all of the factors for the number 36? 1, 2, 3, 4, 6, 9, 12, 18, 36
3. Is the number 45 prime or composite? How do you know? Composite because it has more than
2 factors.
4. Name one factor pair for the number 24. Accept any of the following: 1 and 24, 2 and 12, 3
and 8, 4 and 6
5. Name one number that is prime. Accept any prime number.
6. What prime number is greater than 35 and less than 40? __37
7. Is 63 a multiple of 9? How do you know? Yes, because 9 x7 = 63.
8. Name all of the factors for the number 40. 1, 2, 4, 5, 8, 10, 20, 40
9. Name one number that is composite. Accept any number that is composite.
10. What are the first five multiples of the number 11? 0, 11, 22, 33, 44 or 11, 22, 33, 44, 55