Math 7 (Grade 7) Midterm — Quick Check, Units 4–6

Part 1: Multiple Choice

1. A game costs $25 and the sales tax rate is 8%. What is the total cost?
   1. A. $2.00
   2. B. $25.08
   3. C. $33.00
   4. D. $27.00
2. A store buys a backpack for $20 and marks up the price by 35%. What is the selling price?
   1. A. $55
   2. B. $35
   3. C. $27
   4. D. $7
3. A salesperson earns a 6% commission on a $3,500 sale. How much commission does she earn?
   1. A. $210
   2. B. $2,100
   3. C. $21
   4. D. $3,710
4. A rectangular prism is 4 ft long, 5 ft wide, and 6 ft tall. What is its volume?
   1. A. 60 cubic feet
   2. B. 15 cubic feet
   3. C. 148 cubic feet
   4. D. 120 cubic feet
5. What is the surface area of a cube with edges 3 inches long?
   1. A. 54 square inches
   2. B. 27 square inches
   3. C. 18 square inches
   4. D. 36 square inches
6. Which set of side lengths can form a triangle?
   1. A. 4 cm, 4 cm, 9 cm
   2. B. 2 cm, 5 cm, 7 cm
   3. C. 5 cm, 6 cm, 9 cm
   4. D. 3 cm, 4 cm, 8 cm
7. A fair coin is flipped twice. What is the probability of getting heads both times?
   1. A. 1/3
   2. B. 1/4
   3. C. 1/2
   4. D. 3/4
8. A bag has 3 red, 5 blue, and 2 green marbles. One marble is picked at random. What is P(blue)?
   1. A. 3/10
   2. B. 1/2
   3. C. 5/8
   4. D. 1/5
9. A spinner landed on red 18 times in 60 spins. Based on this, how many times would you predict red in 200 spins?
   1. A. 36
   2. B. 18
   3. C. 60
   4. D. 120
10. What is the median of 3, 9, 4, 12, 7, and 5?
    1. A. 6
    2. B. 7
    3. C. 8
    4. D. 5