1. Math Warm-Up Week 7 Questions Wednesday

2. 1. Write the next 5 multiples of 9. 9, 18, 27,

3. 2. Which is greater? 12 x 5 or 8 x 9?

4. 3. List all the factors for 30.

5. 4. What is 30 x 9? Computation:

6. 5. What is 5 groups of 7?

7. 6. Which number is prime? 28 10 15 17

8. 7. Which of the following numbers is composite? 19 10 11 7

9. 8. Name two prime numbers between 10 and 15.

10. 9. Eleven is a prime number because…

11. 10. 30 is a composite number because…

12. Get ready for the answers.

13. 1. Write the next 5 multiples of 9. 9, 18, 27, 36, 45, 54, 63, 72

14. 2. Which is greater? 12 x 5 or 8 x 9?

15. 3. List all the factors for 30. 30: 1, 2, 3, 5, 6, 10, 15, 30

16. 4. What is 30 x 9? Computation: **See the board.

17. 5. What is 5 groups of 7? 5 x 7= 35

18. 6. Which number is prime? 28 10 15 17

19. 7. Which of the following numbers is composite? 19 10 11 7

20. 8. Name two prime numbers between 10 and 15. 11 and 13

21. 9. Eleven is a prime number because… it only has 1 and itself as a factor.

22. 10. 30 is a composite number because… it has many factors such as 1x30, 2x15, 3x10, and 5x6.