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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 696 · 40 questions
TalentJR

How to do it in your head (Look first): A 9, 19 or 99 → round and adjust. Two close numbers → count up (or near doubles when adding). × or ÷ by 4 or 8 → double or halve; other sums → split into tens and ones.

NameDateTime takenScore ___ / 40
  1. 1.22² =
  2. 2.What is the remainder when 117 is divided by 8?
  3. 3.39 + 9 =
  4. 4.1005 − 986 =
  5. 5.16 × 8 =
  6. 6.58 − 21 =
  7. 7.41 × 4 =
  8. 8.33 × 8 =
  9. 9.50% of ₹450 =
  10. 10.61 − 12 =
  11. 11.You buy a storybook for ₹24 and a pen for ₹16. You pay with a ₹100 note. How much change do you get, in rupees?
  12. 12.10% of ₹610 =
  13. 13.24 + 85 =
  14. 14.12 × 8 =
  15. 15.96 − 71 =
  16. 16.93 ÷ 3 =
  17. 17.592 ÷ 8 =
  18. 18.46 × 7 =
  19. 19.71 × 7 =
  20. 20.21 + 81 =
  21. 21.92 − 29 =
  22. 22.110 + 99 =
  23. 23.9 + ? = 10
  24. 24.504 ÷ 9 =
  25. 25.24 × 8 =
  26. 26.12² =
  27. 27.328 ÷ 8 =
  28. 28.Double 21 =
  29. 29.You buy a kite for ₹241 and pay with a ₹500 note. How much change do you get, in rupees?
  30. 30.88 − 63 =
  31. 31.175 ÷ 5 =
  32. 32.19 + 21 =
  33. 33.1 + ? = 10
  34. 34.29 + 89 =
  35. 35.75 × 8 =
  36. 36.77 + 9 =
  37. 37.5 + 9 =
  38. 38.69 − 29 =
  39. 39.130 − 86 =
  40. 40.11 + 12 =

Answer key

  1. 484
  2. 5
  3. 48
  4. 19
  5. 128
  6. 37
  7. 164
  8. 264
  9. 225
  10. 49
  11. 60
  12. 61
  13. 109
  14. 96
  15. 25
  16. 31
  17. 74
  18. 322
  19. 497
  20. 102
  21. 63
  22. 209
  23. 1
  24. 56
  25. 192
  26. 144
  27. 41
  28. 42
  29. 259
  30. 25
  31. 35
  32. 40
  33. 9
  34. 118
  35. 600
  36. 86
  37. 14
  38. 40
  39. 44
  40. 23

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