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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 539 · 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.A film starts at 2:40 and ends at 3:20. How many minutes long is the film?
  2. 2.38 × 4 =
  3. 3.39 children stand in rows of 9. How many full rows can they make?
  4. 4.38 + 4 =
  5. 5.10% of ₹50 =
  6. 6.10 + 11 =
  7. 7.21² =
  8. 8.What is the remainder when 50 is divided by 4?
  9. 9.63 + 9 =
  10. 10.29 + 31 =
  11. 11.43 × 5 =
  12. 12.54 − 35 =
  13. 13.31 × 3 =
  14. 14.79 × 3 =
  15. 15.10% of ₹320 =
  16. 16.200 ÷ 8 =
  17. 17.49 + 9 =
  18. 18.48 ÷ 4 =
  19. 19.9 + 11 =
  20. 20.Double 66 =
  21. 21.36 + 8 =
  22. 22.30 + 31 =
  23. 23.65 + 9 =
  24. 24.95 − 77 =
  25. 25.76 − 35 =
  26. 26.85 − 36 =
  27. 27.18 + 17 =
  28. 28.19² =
  29. 29.9 + 10 =
  30. 30.You buy a kite for ₹41 and a pen for ₹44. You pay with a ₹100 note. How much change do you get, in rupees?
  31. 31.168 ÷ 8 =
  32. 32.46 + 51 =
  33. 33.Best estimate of 47 × 40? (a) 200 (b) 20000 (c) 2000
  34. 34.12 × 4 =
  35. 35.88 + 68 =
  36. 36.17 + 16 =
  37. 37.What is the remainder when 28 is divided by 6?
  38. 38.26² =
  39. 39.Best estimate of 28 × 16? (a) 60 (b) 600 (c) 6000
  40. 40.212 ÷ 4 =

Answer key

  1. 40
  2. 152
  3. 4
  4. 42
  5. 5
  6. 21
  7. 441
  8. 2
  9. 72
  10. 60
  11. 215
  12. 19
  13. 93
  14. 237
  15. 32
  16. 25
  17. 58
  18. 12
  19. 20
  20. 132
  21. 44
  22. 61
  23. 74
  24. 18
  25. 41
  26. 49
  27. 35
  28. 361
  29. 19
  30. 15
  31. 21
  32. 97
  33. 2000
  34. 48
  35. 156
  36. 33
  37. 4
  38. 676
  39. 600
  40. 53

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