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Name Date Grade 7 Math Test Integers Part A: Multiple Choice - Circle the letter of the correct answer. (20 marks) 1. What is (4) (- 5) + (6) ( 3)? a) 38 2. b) 2 c) –2 d) -42 c) (+5) - (+7) d) (+5) - (-7) Which expression is the least? a) ( -5) + (-7) b) ( +5) + (+7) 3. Which does NOT represent -4 ? a) 4. Solve b) Positive Negative c) d) c) 9 d) 18 (-6) (-2) + 24 4 a) - 6 b) 3 5. Which of the following statements is correct about 3 and 7 A. -3 < -7 B. -3 > -7 C. -3 -7 D. – 3 = (-7) 3 6. Apply order of operations to solve: 3 (-4) + (-18) 6 (5) A. 4 B. 11 6 C. 14 D. 10 7. Perform the following operations: (4) (-4) (-4) = A. (+4) B. (-12) C. ( 4) D. ( -1) 8. If the temperature at 7:00 am was -7 C and the temperature rose 8 C during the morning, what was the temperature by noon ? A. -15 C B. -1 C C. +15 C D. +1 C 9. Which of the following are ordered from GREATEST to LEAST ? A. -1, -4, 0, 4, 7 B. -5, -2, 0, 4, 7 C. 7, 4, 0, -2, -5 D. 7, 4, 0, -1, -4 10. Which correctly answers the following: [(-2) X (-4)] + [(-12) (+3)] A. +4 B. +12 C. -12 D. 0 11. Solve (-6) X (-2) + 24 4 A. -6 B. 3 C. 9 D. 18 Black is negative 12. White is positive 13. 14. 15. Which situation does the integer -5 best describe? A. A car moves 2 km north and 3 km south B. An elevation travels tree floors up and then eight floors down C. A company adds 5 new customers to its list D. You move a game piece 5 spaces forward and then 5 spaces backwards 2 16. What is the opposite of -4? A. -4 B. -8 C. 0 D. +4 17. Black is negative White is positive 18. Black is negative White is positive 19. 20. Solve: (-3) X (-4) + (-18) ÷ (6) – (-5) A. +4 B. +14 C. 10 D. 0 Part B: Make sure to answer ALL of the following questions. YOU MUST SHOW YOUR WORK! EVEN IF THE QUESTION CAN BE DONE EASILY YOU MUST STILL SHOW YOUR WORK! THE PROCESS IS AS IMPORTANT AS THE ANSWER. 1. What is meant by the zero principle ? Give an example (you can draw bingo chips if you like). (5 marks) 3 2. SHOW AND EXPLAIN (using counters) each questions below. For subtracting I do not just want add the opposite. I want to know why you add the opposite. (8 marks) a). (-2) + (+5) b). (-2) - (-3) 3. Write <, > or = for each: (8 marks) a). -4 -2 b). -125 e). -4 -1 f) 0 -10 +12 c). 0 -1 d). -45 g). -34 -41 h). -5 -54 +5 4. Add each of the following: (9 marks) a). (-4) + (-6) b). (-4) + (+4) c). (-6) + (-7) + (+10) 5. Subtract each of the following. SHOW ALL YOUR WORK! (9marks) a). (+4) – (-3) b). (+1) - (-2) c). (+2) – (-1) - (-4) 6. Multiply each of the following: (12 marks) a). (-6) X (-8) b). (+5) X (-3) c). (-4) X (-2) X (+5) 4 d). (-4) X (+5) X (-3) 7. Divide each of the following: (12 marks) a). (-56) (-7) b). (-72) (+9) c). (-16) (-4) (-2) d). (-24) (+6) (-2) 8. a). If this pattern were to continue, what would its 8th integer be? (4marks) -15, -11, -7, -3, ___, ___, ___, ___ b). EXPLAIN what the pattern was. (4 marks) 9. Use the order of operations to solve each of the following: (16 marks) a). [(-5)(-9) - (+5)] (-4) b). (- 16) (- 4 + 6) c). (-2) [(-3)0 - (-2)] d). (-6) [(-2) – (+1) (-4)] BONUS: 5