Lesson 8-3 & 8-4

Reteaching 8-3

1. 5
2. 4
3. 6
4. 3
5. 7
6. 7
7. 9
8. 10
9. 8
10. 8
11. 42 or accept any multiple of 42.
12. 6x6=36 and 36÷6=6

Practice 8-3

1. 4
2. 6
3. 9
4. 9
5. 8
6. 8
7. 7
8. 6
9. 6
10. 9
11. 10
12. 11
13. 8
14. Multiplication and division are related, so if you divide the product by one factor, the quotient is the other factor.
15. 8 weeks
16. Bonnie is not correct. Since 36÷6=6, Bonnie received the correct number of cherries.
17. 5 packages
18. (B)6

Reteaching 8-4

1. 6
2. 3
3. 7
4. 4
5. 7
6. 8
7. 6
8. 5
9. 10
10. 9
11. 8x9=72 or 9x8=72

Practice 8-4

1. 6
2. 2
3. 7
4. 8
5. 5
6. 7
7. 9
8. 4
9. 3
10. 7
11. 9
12. 5
13. 10
14. <
15. <
16. >
17. You could buy more matinee tickets since $56÷$7=8 and $56÷$8=7.
18. 8 points
19. First, I added 19+8=27. Then I divided 27÷9=3. So each friend received 3 cranes.
20. (D) 9