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Class 7 Maths Worksheet: Integers

Maths worksheets lesson 49: Integers: multiplying and dividing · Set 401 · 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.Is 4 × (−8) × 7 × (−8) positive or negative? (a) Positive (b) Negative
  2. 2.What is (−48) ÷ 12? (a) −3 (b) −5 (c) −4 (d) 4
  3. 3.What is 5 × (−2)? (a) −15 (b) 10 (c) −10 (d) −7
  4. 4.What is (−9) × 5? (a) 45 (b) −45 (c) −14 (d) −54
  5. 5.What is (−12) × 4? (a) −60 (b) 48 (c) −48 (d) −16
  6. 6.What is (−10) × 10? (a) 100 (b) −20 (c) −110 (d) −100
  7. 7.What is (−2) × 9? (a) −11 (b) −18 (c) −20 (d) 18
  8. 8.What is (−20) ÷ (−2)? =
  9. 9.What is (−6) × 9? (a) 54 (b) −54 (c) −60 (d) −15
  10. 10.Is 5 × (−5) × 5 positive or negative? (a) Positive (b) Negative
  11. 11.In a quiz, a right answer gets +4 marks and a wrong answer gets −1 mark. Lakshmi got 13 right and 3 wrong. What is Lakshmi’s score?
  12. 12.What is (−10) × (−6)? =
  13. 13.What is (−11) × (−5)? =
  14. 14.What is (−48) ÷ (−12)? =
  15. 15.What is (−12) × (−2)? =
  16. 16.What is (−2) × 5? (a) −7 (b) −12 (c) 10 (d) −10
  17. 17.What is (−24) ÷ (−12)? =
  18. 18.What is 12 × (−11)? (a) 132 (b) −132 (c) −23 (d) −144
  19. 19.What is (−21) ÷ 7? (a) −2 (b) 3 (c) −4 (d) −3
  20. 20.What is (−4) × (−6)? =
  21. 21.What is (−6) × (−4)? =
  22. 22.What is 11 × (−5)? (a) −66 (b) −16 (c) 55 (d) −55
  23. 23.What is (−8) × (−7)? =
  24. 24.Is 1 × (−8) × (−5) × 9 × (−2) positive or negative? (a) Positive (b) Negative
  25. 25.In a quiz, a right answer gets +4 marks and a wrong answer gets −1 mark. Riya got 10 right and 8 wrong. What is Riya’s score?
  26. 26.Is (−6) × 6 × 5 × 2 positive or negative? (a) Positive (b) Negative
  27. 27.What is (−44) ÷ (−4)? =
  28. 28.Is (−1) × 8 × 4 × 9 positive or negative? (a) Positive (b) Negative
  29. 29.What is (−132) ÷ (−12)? =
  30. 30.What is 18 ÷ (−2)? (a) −10 (b) −9 (c) 9 (d) −8
  31. 31.What is (−120) ÷ (−10)? =
  32. 32.What is 12 ÷ (−6)? (a) −3 (b) −2 (c) 2 (d) −1
  33. 33.What is (−2) × 10? (a) −20 (b) 20 (c) −12 (d) −22
  34. 34.In a quiz, a right answer gets +2 marks and a wrong answer gets −1 mark. Pooja got 10 right and 2 wrong. What is Pooja’s score?
  35. 35.What is (−56) ÷ 7? (a) −7 (b) −9 (c) 8 (d) −8
  36. 36.What is 100 ÷ (−10)? (a) −11 (b) 10 (c) −10 (d) −9
  37. 37.What is (−99) ÷ 11? (a) −9 (b) −8 (c) 9 (d) −10
  38. 38.What is (−4) × (−2)? =
  39. 39.In a quiz, a right answer gets +2 marks and a wrong answer gets −1 mark. Ananya got 8 right and 4 wrong. What is Ananya’s score?
  40. 40.What is 9 × (−12)? (a) −117 (b) −21 (c) 108 (d) −108

Answer key

  1. Positive
  2. −4
  3. −10
  4. −45
  5. −48
  6. −100
  7. −18
  8. 10
  9. −54
  10. Negative
  11. 49
  12. 60
  13. 55
  14. 4
  15. 24
  16. −10
  17. 2
  18. −132
  19. −3
  20. 24
  21. 24
  22. −55
  23. 56
  24. Negative
  25. 32
  26. Negative
  27. 11
  28. Negative
  29. 11
  30. −9
  31. 12
  32. −2
  33. −20
  34. 18
  35. −8
  36. −10
  37. −9
  38. 8
  39. 12
  40. −108

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