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Class 7 Maths Worksheet: Integers

Maths worksheets lesson 49: Integers: multiplying and dividing · Set 379 · 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 +2 marks and a wrong answer gets −1 mark. Aditya got 12 right and 7 wrong. What is Aditya’s score?
  2. 2.What is (−10) × (−7)? =
  3. 3.What is 12 × (−9)? (a) −120 (b) −21 (c) 108 (d) −108
  4. 4.What is (−5) × (−3)? =
  5. 5.Is 4 × 3 × 8 positive or negative? (a) Positive (b) Negative
  6. 6.In a quiz, a right answer gets +2 marks and a wrong answer gets −2 marks. Zoya got 7 right and 1 wrong. What is Zoya’s score?
  7. 7.What is (−40) ÷ (−5)? =
  8. 8.What is (−63) ÷ (−7)? =
  9. 9.What is (−9) × (−3)? =
  10. 10.What is (−49) ÷ 7? (a) −6 (b) −7 (c) −8 (d) 7
  11. 11.What is 3 × (−10)? (a) −33 (b) −13 (c) −30 (d) 30
  12. 12.Is 4 × 3 × (−2) × 6 × (−1) positive or negative? (a) Positive (b) Negative
  13. 13.In a quiz, a right answer gets +2 marks and a wrong answer gets −2 marks. Ishaan got 12 right and 1 wrong. What is Ishaan’s score?
  14. 14.In a quiz, a right answer gets +4 marks and a wrong answer gets −1 mark. Zoya got 6 right and 4 wrong. What is Zoya’s score?
  15. 15.What is (−12) × (−9)? =
  16. 16.In a quiz, a right answer gets +5 marks and a wrong answer gets −2 marks. Gurpreet got 10 right and 5 wrong. What is Gurpreet’s score?
  17. 17.Is (−9) × (−1) × 6 × 9 positive or negative? (a) Negative (b) Positive
  18. 18.What is (−2) × 12? (a) −14 (b) −26 (c) −24 (d) 24
  19. 19.What is (−10) × (−2)? =
  20. 20.What is (−12) × (−10)? =
  21. 21.What is (−6) × (−10)? =
  22. 22.What is 44 ÷ (−4)? (a) −12 (b) −10 (c) 11 (d) −11
  23. 23.What is (−8) ÷ 4? (a) −1 (b) −2 (c) −3 (d) 2
  24. 24.What is (−6) × 7? (a) 42 (b) −13 (c) −48 (d) −42
  25. 25.What is (−10) × (−5)? =
  26. 26.What is (−3) × (−8)? =
  27. 27.Is 2 × (−7) × (−2) positive or negative? (a) Positive (b) Negative
  28. 28.What is (−56) ÷ (−7)? =
  29. 29.What is (−6) × (−11)? =
  30. 30.What is (−8) ÷ (−4)? =
  31. 31.What is 32 ÷ (−8)? (a) −3 (b) 4 (c) −5 (d) −4
  32. 32.What is 12 × (−8)? (a) 96 (b) −20 (c) −108 (d) −96
  33. 33.In a quiz, a right answer gets +2 marks and a wrong answer gets −2 marks. Farhan got 15 right and 7 wrong. What is Farhan’s score?
  34. 34.What is (−8) × (−8)? =
  35. 35.In a quiz, a right answer gets +3 marks and a wrong answer gets −1 mark. Rahul got 10 right and 1 wrong. What is Rahul’s score?
  36. 36.What is (−21) ÷ (−3)? =
  37. 37.What is (−36) ÷ (−9)? =
  38. 38.What is (−9) × 12? (a) −117 (b) 108 (c) −21 (d) −108
  39. 39.What is (−5) × (−4)? =
  40. 40.What is (−9) × (−4)? =

Answer key

  1. 17
  2. 70
  3. −108
  4. 15
  5. Positive
  6. 12
  7. 8
  8. 9
  9. 27
  10. −7
  11. −30
  12. Positive
  13. 22
  14. 20
  15. 108
  16. 40
  17. Positive
  18. −24
  19. 20
  20. 120
  21. 60
  22. −11
  23. −2
  24. −42
  25. 50
  26. 24
  27. Positive
  28. 8
  29. 66
  30. 2
  31. −4
  32. −96
  33. 16
  34. 64
  35. 29
  36. 7
  37. 4
  38. −108
  39. 20
  40. 36

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