12. What value of makes (–5) = a true sentence? s –18 – s A. 23 B. 13 C. D. –13 –23 A snake dives towards deeper water at a rate of 18 inches per 13. second. If the snake continues at this rate for a total of 9 seconds, which expression represents this situation? F. 9 ÷ 18 G. 9 ÷ (–18) H. 9(–18) I. –9(–18) 14. Amanda has $31 in her purse. She pays $6 for lunch. Which expression represents this situation? 31 + 6 31 + (–6) + 6 + (–6) A. B. C. D. –31 –31 15. The highest point in Argentina is 6,960 meters above sea level. The lowest point is 105 meters below sea level. What is the difference in meters between the highest and lowest elevation points? F. 7,065 m G. 6,960 m H. 6,855 m I. 105 m 16. The lowest temperature on Mars can reach while the highest –140°C temperature can be 20°C. What is the difference between the highest and lowest temperatures on Mars? A. 120°C B. 140°C C. 160°C D. 200°C 17. A window cleaner rises 36 feet up the side of a building, then descends 17 feet. What is his final position? F. 53 ft G. 19 ft H. ft I. ft –19 –53 18. 11 + (–7) A. B. C. 4 D. 18 –18 –4 19. –5(–11) F. 55 G. 16 H. I. –16 –55 ÷ (–3) 20. –15 A. 18 B. 5 C. D. –5 –18 21. 7 –39 – F. G. H. 46 I. 273 –46 –32 22. 8(–4) A. 32 B. 4 C. D. –2 –32
12. What value of s makes –18 – (–5) = s a true sentence? A. 23 B. 13 C. –13 D. –23 13. A snake dives towards deeper water at a rate of 18 inches per second. If the snake continues at this rate for a total of 9 seconds, which expression represents this situation? F. 9 ÷ 18 G. 9 ÷ (–18) H. 9(–18) I. –9(–18) 14. Amanda has $31 in her purse. She pays $6 for lunch. Which expression represents this situation? A. 31 + 6 B. 31 + (–6) C. –31 + 6 D. –31 + (–6) 15. The highest point in Argentina is 6,960 meters above sea level. The lowest point is 105 meters below sea level. What is the difference in meters between the highest and lowest elevation points? F. 7,065 m G. 6,960 m H. 6,855 m I. 105 m 16. The lowest temperature on Mars can reach –140°C while the highest temperature can be 20°C. What is the difference between the highest and lowest temperatures on Mars? A. 120°C B. 140°C C. 160°C D. 200°C 17. A window cleaner rises 36 feet up the side of a building, then descends 17 feet. What is his final position? F. 53 ft G. 19 ft H. –19 ft I. –53 ft 18. 11 + (–7) A. –18 B. –4 C. 4 D. 18 19. –5(–11) F. 55 G. 16 H. –16 I. –55 20. –15 ÷ (–3) A. 18 B. 5 C. –5 D. –18 21. –39 – 7 F. –46 G. –32 H. 46 I. 273 22. 8(–4) A. 32 B. 4 C. –2 D. –32
integer_operations_study_guide.docx