Class 7 Maths Worksheet: Integers

Maths worksheets lesson 49: Integers: multiplying and dividing · Set 164 · 40 sums

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.

1. 1.What is (−70) ÷ (−10)? =
2. 2.In a quiz, a right answer gets +3 marks and a wrong answer gets −2 marks. Ananya got 13 right and 9 wrong. What is Ananya’s score?
3. 3.In a quiz, a right answer gets +2 marks and a wrong answer gets −2 marks. Saanvi got 12 right and 5 wrong. What is Saanvi’s score?
4. 4.In a quiz, a right answer gets +3 marks and a wrong answer gets −2 marks. Rohan got 15 right and 6 wrong. What is Rohan’s score?
5. 5.What is 6 × (−4)? (a) 24 (b) −30 (c) −24 (d) −10
6. 6.What is (−6) ÷ (−3)? =
7. 7.In a quiz, a right answer gets +3 marks and a wrong answer gets −1 mark. Lakshmi got 7 right and 4 wrong. What is Lakshmi’s score?
8. 8.What is (−99) ÷ 11? (a) 9 (b) −10 (c) −9 (d) −8
9. 9.What is (−5) × (−4)? =
10. 10.What is (−21) ÷ (−3)? =
11. 11.What is (−6) × (−4)? =
12. 12.What is (−11) × 12? (a) 132 (b) −23 (c) −132 (d) −143
13. 13.Is 1 × (−2) × (−1) × 2 positive or negative? (a) Negative (b) Positive
14. 14.What is 4 ÷ (−2)? (a) 2 (b) −3 (c) −1 (d) −2
15. 15.What is (−9) × 11? (a) −99 (b) 99 (c) −20 (d) −108
16. 16.In a quiz, a right answer gets +5 marks and a wrong answer gets −2 marks. Dev got 6 right and 7 wrong. What is Dev’s score?
17. 17.What is (−30) ÷ (−6)? =
18. 18.What is (−3) × (−2)? =
19. 19.What is (−12) ÷ (−3)? =
20. 20.What is (−10) ÷ (−2)? =
21. 21.What is (−14) ÷ 2? (a) −6 (b) −7 (c) 7 (d) −8
22. 22.What is (−77) ÷ (−7)? =
23. 23.Is 6 × (−9) × 5 positive or negative? (a) Positive (b) Negative
24. 24.What is (−3) × (−3)? =
25. 25.In a quiz, a right answer gets +5 marks and a wrong answer gets −2 marks. Farhan got 6 right and 3 wrong. What is Farhan’s score?
26. 26.Is (−4) × 2 × (−1) × 9 × (−5) positive or negative? (a) Positive (b) Negative
27. 27.Is 8 × 1 × (−1) × (−5) × (−4) positive or negative? (a) Negative (b) Positive
28. 28.In a quiz, a right answer gets +2 marks and a wrong answer gets −2 marks. Rahul got 4 right and 3 wrong. What is Rahul’s score?
29. 29.Is 3 × 6 × (−3) × 8 positive or negative? (a) Positive (b) Negative
30. 30.What is (−6) × 9? (a) −54 (b) 54 (c) −15 (d) −60
31. 31.What is 9 × (−3)? (a) −12 (b) −36 (c) 27 (d) −27
32. 32.What is 7 × (−12)? (a) −91 (b) −19 (c) 84 (d) −84
33. 33.What is (−9) × 10? (a) −19 (b) −90 (c) −99 (d) 90
34. 34.What is (−8) × 3? (a) −32 (b) −24 (c) 24 (d) −11
35. 35.Is (−4) × (−3) × (−3) positive or negative? (a) Positive (b) Negative
36. 36.In a quiz, a right answer gets +3 marks and a wrong answer gets −1 mark. Diya got 10 right and 6 wrong. What is Diya’s score?
37. 37.What is (−8) × 4? (a) 32 (b) −32 (c) −12 (d) −40
38. 38.In a quiz, a right answer gets +2 marks and a wrong answer gets −2 marks. Pooja got 11 right and 7 wrong. What is Pooja’s score?
39. 39.In a quiz, a right answer gets +2 marks and a wrong answer gets −1 mark. Farhan got 9 right and 10 wrong. What is Farhan’s score?
40. 40.In a quiz, a right answer gets +4 marks and a wrong answer gets −2 marks. Sneha got 13 right and 3 wrong. What is Sneha’s score?

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