Lesson 6-3 & 6-4

6-3 was Wednesday's classwork
Reteaching 6-3

1. 24
2. 32
3. 20
4. 36
5. 4
6. 12
7. 28
8. 24
9. 0
10. 16
11. Answers will vary. Possible answer: Multiply 2x8=16 and add 16 to itself to get 32.

Practice 6-3

1. 8
2. 20
3. 12
4. 16
5. 40
6. 24
7. 4
8. 12
9. 0
10. 28
11. 40
12. 4
13. 8
14. 36
15. 32
16. 2x7
17. 32 people
18. 36 tickets
19. 40 practices
20. The commutative property of multiplication states that the order of the factors does not change the product, so 5x4=20.
21. (C) 20

6-4 is Thrusday's homework
Reteaching 6-4

1. 14
2. 42
3. 63
4. 24
5. 48
6. 49
7. 12
8. 56
9. 21
10. 36
11. 30
12. 28
13. 54
14. 21
15. 42
16. Sample Answer: No, 5x4 and 1x4 is 5 groups of 4 plus 1 group of 4. That is 6 groups of 4, not 6 groups of 8.

Practice 6-4

1. 30
2. 18
3. 48
4. 21
5. 70
6. 28
7. 24
8. 35
9. 56
10. 36
11. 42
12. 60
13. 70
14. 49
15. 12
16. 7x9
17. 21 days
18. 42 slices
19. 48 people
20. Sample Answer: Add the product 1x6 to 30. 30+6=36, so 6x6=36
21. (D) 28 minutes