Midpoint Topic Review

Order of Operations

100

Evaluate: 5+3×2

11

200

Evaluate: (8−2)×4

24

300

Evaluate: 3^2 + 4 x 2

17

400

Evaluate: 24 ÷ (6 − 2) + 3 × 2

12

500

Evaluate: (10 + 5) × 2^3 − 4 ÷ 2

118

LCM, GCF

100

Find the GCF of 12 and 18

6

200

Find the LCM of 4 and 10

20

300

Find the GCF of 14 and 35

7

400

Find the LCM of 15 and 20.

60

500

Find the GCF of 24, 36, and 60

12

Writing Expressions

100

Sarah has x apples. She buys 5 more apples. Write an expression for the total number of apples she has now.

x + 5

200

A movie ticket costs d dollars. If Jack buys 3 tickets, write an expression for the total cost.

3d

300

Tom is 4 years younger than his older brother, who is y years old. Write an expression for Tom’s age.

y - 4

400

A farmer has ccc cows and sss sheep on his farm. Each cow eats 5 pounds of food per day, and each sheep eats 2 pounds of food per day. Write an expression for the total amount of food all the animals eat in one day.

5c + 2s

500

Liam is buying notebooks and pens for school. Each notebook costs nnn dollars, and each pen costs ppp dollars. If he buys 4 notebooks and 3 pens, write an expression for the total cost.

4n + 3p

Evaluating Expressions

100

Evaluate x + 7 when x = 3

10

200

Evaluate 4y−2 when y=5.

18

300

Evaluate 2a+3b when a=4 and b=6.

26

400

Evaluate m^2 - 2n when m=3 and n=4

1

500

Evaluate 5x + 3y − 2 when x=7 and y=4

45