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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 127 · 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. 1.21 × 8 =
  2. 2.124 ÷ 4 =
  3. 3.A cricket match starts at 8:15 and the first innings ends at 9:30. How many minutes did the innings last?
  4. 4.15 + 16 =
  5. 5.Half of 164 =
  6. 6.17 + 7 =
  7. 7.30 + 32 =
  8. 8.36 + ? = 100
  9. 9.22 × 4 =
  10. 10.6 + 8 =
  11. 11.19 + 9 =
  12. 12.12² =
  13. 13.25% of ₹620 =
  14. 14.You buy a storybook for ₹73 and pay with a ₹100 note. How much change do you get, in rupees?
  15. 15.You buy a box of crayons for ₹30 and a pen for ₹19. You pay with a ₹100 note. How much change do you get, in rupees?
  16. 16.708 − 99 =
  17. 17.10% of ₹510 =
  18. 18.22² =
  19. 19.66 + 6 =
  20. 20.19 + 4 =
  21. 21.27² =
  22. 22.17 + 9 =
  23. 23.50% of ₹180 =
  24. 24.10% of ₹260 =
  25. 25.5% of ₹380 =
  26. 26.8 + 10 =
  27. 27.33 + 68 =
  28. 28.27 + ? = 100
  29. 29.38 × 4 =
  30. 30.55 − 27 =
  31. 31.188 ÷ 4 =
  32. 32.Half of 124 =
  33. 33.28 × 8 =
  34. 34.47 + 29 =
  35. 35.90 − 22 =
  36. 36.30 × 4 =
  37. 37.What is the remainder when 67 is divided by 6?
  38. 38.You buy a pencil box for ₹197 and pay with a ₹500 note. How much change do you get, in rupees?
  39. 39.76 − 35 =
  40. 40.12 × 9 =

Answer key

  1. 168
  2. 31
  3. 75
  4. 31
  5. 82
  6. 24
  7. 62
  8. 64
  9. 88
  10. 14
  11. 28
  12. 144
  13. 155
  14. 27
  15. 51
  16. 609
  17. 51
  18. 484
  19. 72
  20. 23
  21. 729
  22. 26
  23. 90
  24. 26
  25. 19
  26. 18
  27. 101
  28. 73
  29. 152
  30. 28
  31. 47
  32. 62
  33. 224
  34. 76
  35. 68
  36. 120
  37. 1
  38. 303
  39. 41
  40. 108

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