7th- 5.2 Expressions

Write an equivalent expression to 3(m + 3)

• 3m + 3

• 3m + 9

• m + 3

• 3m - 9

Simplify: 3 + 9w – 7z + z + 3w

• 12w - 6z + 3

• 6z - 12w + 3

• 8w - 6z + 4

• 8w - 12z + 3

Which of the following are equivalent to 5(2x + 3). Choose all that apply.

• 10x + 15

• 5x + 15 + 5x

• 10x + 8

What is the equivalent expression for 5(a + b)?

• 5a + 5b

• 5ab

• 5a + b

5 × (2 × 9) is also equal to:

• 5 x (2 - 9)

• 5 x (2 + 9)

• (5 x 2) x 9

• (5 x 2) + 9

What is the missing number?

2 + (__ + 4) = (2 + 6) + 4

• 12

• 2

• 6

• 4

Which one of the following illustrates the Commutative Law of Addition?

• 5 + 7 = 7 + 5

• 5 + 7 = 4 + 8

• 5 + 7 = 3 + 9

• 5 + 7 = 10 + 2

Which of the following illustrates the Commutative Law of Multiplication?

• 3 x 4 = 6 x 2

• 3 x 4 = 12 x 1

• 3 x 4 = 2 x 6

• 3 x 4 = 4 x 3

What is the missing number?

8 + ____ = 2 + 8

• 5

• 10

• 4

• 2

8 + 4 = 12, so 4+8 =

• 12

• 3

• 4

• 14