6-5

Reteaching
Name
6-5
8 as a Factor
You can double a 4s fact to multiply with 8.
Find 8 3 6.
8s Facts
83050
8 3 5 5 40
a. Find 4 3 6 5 24.
83158
8 3 6 5 48
b. Add the product to itself: 24 1 24 5 48
8 3 2 5 16
8 3 7 5 56
8 3 3 5 24
8 3 8 5 64
8 3 4 5 32
8 3 9 5 72
4 6 24
24 24 48
4 6 24
So, 8 3 6 5 48.
Find each product.
1. 2 3 8
2. 4 3 8
3. 8 3 5
4. 7 3 8
5. 8 3 8
6. 0 3 8
7. 6 3 7
8. 9 3 8
9. 1 3 8
10. 6 3 8
16
0
32
42
40
72
56
8
64
48
11. A gallon is equal to 8 pints. How many pints are in 5 gallons?
40 pints
12. Writing to Explain How can you use 4s facts to find 7 3 8?
Give the product in your explanation.
Find 7 3 4 5 28 and add 28 1 28 5 56.
So, 7 3 8 5 56.
R 6•5
Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 3