Math 7 (Grade 7) Midterm — Quick Check, Units 1–3

Part 1: Multiple Choice

1. A car travels 150 miles in 3 hours at a constant speed. What is its unit rate?
   1. A. 450 miles per hour
   2. B. 45 miles per hour
   3. C. 50 miles per hour
   4. D. 30 miles per hour
2. Which table shows a proportional relationship between x and y?
   1. A. x: 1, 2, 3; y: 4, 5, 6
   2. B. x: 1, 2, 3; y: 3, 5, 7
   3. C. x: 2, 3, 4; y: 4, 9, 16
   4. D. x: 2, 4, 6; y: 5, 10, 15
3. A 12-ounce box of cereal costs $3.00. A 16-ounce box costs $3.60. Which statement is true?
   1. A. The 12-ounce box costs less per ounce
   2. B. The two boxes cost the same per ounce
   3. C. The 16-ounce box costs less per ounce
   4. D. The 12-ounce box costs $0.30 per ounce
4. What is (-6) × (-7)?
   1. A. 13
   2. B. 42
   3. C. -42
   4. D. -13
5. What is -3/4 + 1/2?
   1. A. -1/4
   2. B. -2/6
   3. C. -5/4
   4. D. 1/4
6. What is 5 - (-9)?
   1. A. -4
   2. B. 4
   3. C. -14
   4. D. 14
7. Solve: 2(x - 3) = 14
   1. A. x = 7
   2. B. x = 4
   3. C. x = 8.5
   4. D. x = 10
8. A gym charges $25 to join plus $15 per month. Leo has paid $130 in total. For how many months has he been a member?
   1. A. 7 months
   2. B. 8 months
   3. C. 10 months
   4. D. 5 months
9. Solve: x/3 + 5 = 11
   1. A. x = 2
   2. B. x = 18
   3. C. x = 48
   4. D. x = 6
10. Which expression is equivalent to 5a - 2b + 3a + 7b?
    1. A. 13ab
    2. B. 8a - 9b
    3. C. 2a + 5b
    4. D. 8a + 5b