Unit 6 Review

Solving Expressions

100

3 x 6 + 12 / 3 - 6

16

200

51 / 17 + 8 x 3

27

300

3(2³+3²)

51

400

4 (1/2 x 2/3)

4/3 or 1 1/3

500

(3 + 7(5² - 6 x 4) / (2(4+1))

1

Equivalent Expressions

100

Which two expressions are equivalent? 

A) 4(x + 5) and 4x + 9 

B) 4(x + 5) and 4x + 5 

C) 4(x + 5) and 4x + 20 

D) 4(x + 5) and 4 + x + 4 + 5 

C

200

6 y + 3 + 5 

Which expression is equivalent to the given expression? 

A) 6 + y + 6 + 3 + 5 

B) 6 • y + 6 • 3 + 6 • 5

C) 6 • y • 6 • 3 + 5 

D) 6 • y + 6 • 3 + 5 

D

300

Which of these can be written as an equation?

A) Three times 0.25 plus n 

B) Half the sum of seven and k

C) The product of six and m is 72

D) Twice c is more than 18  

C

400

Which two expressions are equivalent? 

A) 12 ÷ (6 + x) and (12 ÷ 6) + x

B) 17 + (x  6) and 17 + (6  x) 

C) (8 + 3)  x and 8 + (3  x)

D) 13 + (x − 2) and 13 + (2 − x)

B

500

Write an equivalent expression based on the statement below. 

5 less than 10 divided by 3

(10 - 5 )/ 3

Solving Expressions

100

16 - 3 + 4

17

200

24 + 12 / 12

25

300

3³ + 15 / 3 + 12

44

400

((6 - 2) / (3+1)) - 5 x 6

-29

500

8 - [ ((2+7) / 3) - (2 x 3 - 5)]

6

Equivalent Expressions

100

Which two expressions are equivalent? 

F) 4 • x + 2 and 4 • (x + 2) 

G) 7(3 + x) and 7 • 3 + 7 • x 

H) 9 • x ÷ 4 and 9 • 4 ÷ x 

J) (9 — x) + 4 and 9 — (x + 4) 

G

200

Kylie and Zoey are playing a card game called Expression Match Race. Kylie has a card with the expression shown below. 

y • 36 

Which expression is equivalent to the one on Kylie’s card? 

F) (y • 30) • (y • 6) 

G) (y • 3) • 6 

H) (y • 30 + 6 

J)  (y • 30 + (y • 6) 

J

300

Which of these CANNOT be written as an equation? 

F) The quotient of x and 3 is 12 

G) The difference between x and 9 is 15

H) Seven more than x is 2 

J) Four times x is less than 20

J

400

Use the distributive property to simplify the expression 2x + 5(x + 4).

2x + 5x + 20 = 7x + 20

500

Write an expression for “5 added to the product of 7 and a number.”

5 + 7x or 7x + 5

Random

100

The expression 4x + 20 represents the area of the model below.
Which expression could represent the dimensions of the model? 

A) 5(x+4)

B) 4(x + 5)

C) 2(x + 10)

D) 0.5(2x +10)

B

200

5² − 6(4² − 10) − 3

-14

300

Which expression is NOT equivalent to (6x + 10)?

A) 3x + 5

B) (6x) +  (10) 

C) x +

D) 3x + 10 

D

400

Simplify to get an expression that is equivalent to x − (4).

x-1

500

Arrange the numbers in order from least to greatest.

,−0.209,−,,−1

-1 7/10, -0.209, -1/8, 35/52, 46/24