NAME: PERIOD: PRACTICE QUIZ - FIRST QUIZ Operations on Integers A. Add or Subtract. (1 point each) 1) -8 – 11 = -19 9) 2) 12 + (-6) = 6 10) -8 + -9 = -17 3) -10 + 1 = -9 11) 3 – 11 = -8 4) -11 + -8 = -19 12) 14 + (-3) = 11 5) -7 – (-3) = -4 13) 6 – (-6) = 12 6) -5 – 9 = -14 14) -7 + 13 = 6 7) 10 + (-14) = -4 15) 4 – (-9) = 13 8) 7 – 15 = -8 16) -8 – (-1) = -7 B. Add or Subtract. (2 points each) 17) -8 + 20 + (-14) 20) Answer: -2 18) 15 – 22 + 16 -10 – 13 + 8 Answer: -15 14 + (-19) – 13 Answer: -18 21) Answer: 9 19) -13 + 1 = -12 -11 + 18 – 30 Answer: -21 22) -20 – 10 – 15 Answer: -45 NAME: PERIOD: 23) -18 – 14 + 12 Answer: -20 C. 24) 17 – 10 – (-15) Answer: 22 Fill in the correct integers, then answer the question in words. (2 points each) 25) Kate’s business had a loss of $100 in its first month, and a profit of $220 in its second month. What was the profit/loss of Kate’s business after the first two months? -100 + 220 = 120 Kate’s business had a profit of $120. 26) The temperature was 10°F below zero at noon, and has dropped 4° since then. What is the current temperature? -10 – 4 = -14 The current temperature is 14°F below zero. 27) The Steelers’ first play resulted in a loss of 15 yards, and the second play resulted in a gain of 2 yards. What is the net result of the first two plays? -15 + 2 = -13 After two plays, the Steelers had a loss of 13 yards. 28) Jane’s stock rose 6 points at 10:00 a.m., dropped 8 points at noon, rose 10 points at 2:00 p.m., and dropped 7 points at 4:00 p.m. Overall, what did Jane’s stock do today? 6 – 8 + 10 – 7 = 1 Jane’s stock rose 1 point today. EXTRA CREDIT: (1 point) The extra credit will ask you to compare some integers.