# Homework – September 16, 2020

**Homework – September 16, 2020**

Rewrite each problem using the distributive property of Multiplication.

1) 7 × (5 + 8) = ( × ) + ( × )

2) 6 × (2 + 5) = ( × ) + ( × )

3) 5 × (2 + 4) = ( × ) + ( × )

4) 4 × (6 + 8) = ( × ) + ( × )

5) 6 × (7 + 2) = ( × ) + ( × )

Circle which choice best shows the commutative property of multiplication.

1)

A. 3 × 6 = 6 × 3

B. (3 × 6) + (3 × 1) = 3 × (6 + 1)

C. 3 × 1 = 3

D. (3 × 6) × 1 = 3 × (6 × 1)

2)

A. 10 × 6 = 6 × 10

B. (10 × 6) × 0 = 10 × (6 × 0)

C. (10 × 6) + (10 × 0) = 10 × (6 + 0)

D. 10 × 1 = 10

3)

A. 9 × 1 = 9

B. 9 × 10 = 10 × 9

C. (9 × 10) × 1 = 9 × (10 × 1)

D. (9 × 10) + (9 × 1) = 9 × (10 + 1)

4)

A. 7 × (4 + 9) = (7 × 4) + (7 × 9)

B. 7 × 4 = 4 × 7

C. 1 × 7 = 7

D. 7 × (4 × 9) = (7 × 4) × 9

5)

A. (7 × 2) × 10 = 7 × (2 × 10)

B. (7 × 2) + (7 × 10) = 7 × (2 + 10)

C. 7 × 1 = 7

D. 7 × 2 = 2 × 7

6)

A. 1 × 1 = 1

B. 1 × 0 = 0 × 1

C. (1 × 0) + (1 × 9) = 1 × (0 + 9)

D. (1 × 0) × 9 = 1 × (0 × 9)

Find the value of each of the following.

1. 5^{2}+ 6^{2} =

2. 4 x ¼ =

3. Write the even numbers from 0 to 20

4. Which number is in the intersection of the set of prime and even numbers?

5. 18 – 4 + 7 =

6. 8 x 4 x 0 =

7. Which property of multiplication is shown in this problem

8 x (4 x 3) = (8 x 4) x 3

8. Which property of addition is shown

9 + 5 = 5 + 9

9. Write the square of these numbers

a. 82

b. 72

c. 62

d. 132

e. 112

10. What is the square root of √625 ?