Unit D Test Review

Writing Expressions

100

Lisa has 4 dolls. She buys x amount of dolls. How many dolls does she have now?

4 + x

200

Jerome makes $50 per week mowing lawns. If he works x amount of weeks, how much money will he make?

50 * x

300

Donovan has 30 classmates. He has x amount of candies to give to them. How many candies will each classmate get?

x / 30

400

Parisa makes $12 an hour as a lifeguard. She got a $40 end-of-summer bonus. If she worked x amount of hours, how much money did she make?

12*x + 40

500

Tom made $2000 this week from his restaurant. He then spent y amount on food. He also had to pay his x number of employees $150 each. How much money did he end with?

2000 - y - 150x

Order of Operations

100

6 - 3 + 2

5

200

(8 - 3) * 7

35

300

5² + (12 / 4)

28

400

(16 - 5 * 2)² 

36

500

3*(4+5) - 4² 

11

Properties of Operations

100

Write an equivalent expression using identity property:

3x * 1

3x

200

Write an equivalent expression using commutative property:

4 + 3 + 7

3 + 4 +7

4+7+3

7+3+4

..... 

300

Write an equivalent expression using distributive property:

2(x+4)

2x + 8

400

Write an equivalent expression using distributive property:

10(4-x)

40 - 10x

500

Write an equivalent expression using distributive property:

15x+3

3(5x+1)

Miscellaneous

100

What is the most common last name in the United States?

Smith

200

What is the fourth letter of the Greek alphabet?

Delta

300

Which country has the  most islands?

Sweden

400

In what decade was the internet created?

1960's

500

What Netflix show had the most streaming views in 2021?

Squid Games