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Class 7 Maths Worksheet: Integers

Maths worksheets lesson 49: Integers: multiplying and dividing · Set 48 · 40 sums
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The method (Same signs plus, different signs minus): (+) × (+) = (+), (−) × (−) = (+), (+) × (−) = (−), (−) × (+) = (−). Division follows the same rules. Work out the sizes first: (−6) × 7 → 6 × 7 = 42, then the sign: −42. Many factors: an even number of minus signs → positive; odd → negative. Scores with minus marks: add the plus marks, take away the minus marks.

NameDateTime takenScore ___ / 40
  1. 1.In a quiz, a right answer gets +5 marks and a wrong answer gets −1 mark. Riya got 6 right and 6 wrong. What is Riya’s score?
  2. 2.What is (−121) ÷ 11? (a) −10 (b) −11 (c) 11 (d) −12
  3. 3.What is (−12) × (−12)? =
  4. 4.What is 7 × (−6)? (a) 42 (b) −13 (c) −49 (d) −42
  5. 5.What is (−12) ÷ (−2)? =
  6. 6.Is (−9) × 4 × (−3) × 9 positive or negative? (a) Negative (b) Positive
  7. 7.What is (−9) × 6? (a) −15 (b) 54 (c) −63 (d) −54
  8. 8.In a quiz, a right answer gets +5 marks and a wrong answer gets −1 mark. Meera got 11 right and 5 wrong. What is Meera’s score?
  9. 9.What is 7 × (−10)? (a) −77 (b) −17 (c) −70 (d) 70
  10. 10.What is (−40) ÷ 8? (a) 5 (b) −6 (c) −5 (d) −4
  11. 11.What is (−121) ÷ (−11)? =
  12. 12.What is 12 × (−12)? (a) −144 (b) −24 (c) 144 (d) −156
  13. 13.In a quiz, a right answer gets +5 marks and a wrong answer gets −1 mark. Arjun got 11 right and 3 wrong. What is Arjun’s score?
  14. 14.In a quiz, a right answer gets +3 marks and a wrong answer gets −1 mark. Rahul got 7 right and 3 wrong. What is Rahul’s score?
  15. 15.What is (−60) ÷ (−6)? =
  16. 16.What is (−54) ÷ (−6)? =
  17. 17.What is (−4) × (−9)? =
  18. 18.What is (−14) ÷ (−2)? =
  19. 19.What is (−2) × 7? (a) −14 (b) −16 (c) 14 (d) −9
  20. 20.What is (−55) ÷ (−11)? =
  21. 21.What is (−4) × 12? (a) −16 (b) −52 (c) −48 (d) 48
  22. 22.In a quiz, a right answer gets +2 marks and a wrong answer gets −1 mark. Meera got 15 right and 2 wrong. What is Meera’s score?
  23. 23.What is 8 × (−2)? (a) −16 (b) −10 (c) 16 (d) −24
  24. 24.What is (−12) × (−6)? =
  25. 25.What is (−8) × (−4)? =
  26. 26.What is (−18) ÷ 2? (a) −8 (b) −10 (c) −9 (d) 9
  27. 27.What is (−18) ÷ 6? (a) 3 (b) −3 (c) −4 (d) −2
  28. 28.Is (−2) × (−5) × 4 × (−3) × (−5) positive or negative? (a) Negative (b) Positive
  29. 29.What is (−8) × (−5)? =
  30. 30.What is (−54) ÷ (−9)? =
  31. 31.What is (−8) × (−8)? =
  32. 32.Is 2 × 6 × (−2) positive or negative? (a) Negative (b) Positive
  33. 33.What is (−7) × (−11)? =
  34. 34.In a quiz, a right answer gets +5 marks and a wrong answer gets −2 marks. Joseph got 10 right and 3 wrong. What is Joseph’s score?
  35. 35.What is (−11) × (−8)? =
  36. 36.What is (−2) × 12? (a) −24 (b) −14 (c) 24 (d) −26
  37. 37.What is 6 × (−10)? (a) −60 (b) −66 (c) 60 (d) −16
  38. 38.What is (−7) × (−4)? =
  39. 39.What is (−3) × 9? (a) −12 (b) −30 (c) −27 (d) 27
  40. 40.In a quiz, a right answer gets +2 marks and a wrong answer gets −2 marks. Nisha got 4 right and 1 wrong. What is Nisha’s score?

Answer key

  1. 24
  2. −11
  3. 144
  4. −42
  5. 6
  6. Positive
  7. −54
  8. 50
  9. −70
  10. −5
  11. 11
  12. −144
  13. 52
  14. 18
  15. 10
  16. 9
  17. 36
  18. 7
  19. −14
  20. 5
  21. −48
  22. 28
  23. −16
  24. 72
  25. 32
  26. −9
  27. −3
  28. Positive
  29. 40
  30. 6
  31. 64
  32. Negative
  33. 77
  34. 44
  35. 88
  36. −24
  37. −60
  38. 28
  39. −27
  40. 6

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