Link-It C Review

PEMDAS

100

Solve:  

2 + 2² - 1

5

200

Solve: 

(9-5) x 2 + 3 

11

300

Solve: 

7 + 2³  x  6 

55

400

Solve: 

(20 + 11) - 22 ÷ 11

29

500

6² ÷ 9 + (2² x 2) - 4

8

Inequalities

100

Which inequality shows x is less than 3 ? 

a. x > 3 

b. 3 < x 

c. x < 3 

c. x < 3

200

What is the correct solution for the inequality: 

y + 6 > 15 

a. 7 

b. 8 

c. 10

d. 9 

c. 10

300

If a represents a student's age, which inequality shows that the student must be younger than 13 to enter the contest? 

a. a > 13 

b. a < 13 

c. a ≤ 13 

d. a ≥ 13

b. a < 13

400

Which TWO inequalities are true? 

a. -8 > -3 

b. -2 > -7

c. 5 < -1 

d. 0 < -4 

e. -6 < -1

b. -2 > -7 

e. -6 < -1

500

The temperature R, needed for a lab test, is COLDER than -4 degrees. Which inequality is correct? 

a. R > -4 

b. R < -4

c. R ≥ -4 

d. R ≤ -4

b. R < -4

Word Problems

100

A runner reached a speed of 19.6 miles per hour after increasing her speed by 7.8 miles per hour. What was her speed before the increase? 

a. 11.8 miles per hour

b. 12.8 miles per hour

c. 27.4 miles per hour 

d. 9.8 miles per hour

a. 11.8 miles per hour

200

Jordan needs 7 cups of juice. If 1 cup = 8 fluid ounces, how many fluid ounces of juice does Jordan need? 

56 fluid ounces (fl oz.) 

300

A machine fills 15 bottles in 3 minutes. At the same rate, how many bottles does it fill in 8 minutes? 

a. 30 

b. 24 

c. 45 

d. 40

d. 40 

400

Maya is making bracelets. She plans to use 1/4 of her beads for blue bracelets. She has 36 beads in all. How many beads are NOT blue? 

a. 9 

b. 18 

c. 27 

d. 32 

c. 27