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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 440 · 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. 1.96 ÷ 8 =
  2. 2.You buy a kite for ₹24 and a pen for ₹12. You pay with a ₹100 note. How much change do you get, in rupees?
  3. 3.330 ÷ 6 =
  4. 4.Best estimate of 49 × 74? (a) 3500 (b) 35000 (c) 350
  5. 5.What is the remainder when 89 is divided by 8?
  6. 6.34 × 3 =
  7. 7.66 × 8 =
  8. 8.25% of ₹110 =
  9. 9.230 ÷ 5 =
  10. 10.10% of ₹860 =
  11. 11.9 + 7 =
  12. 12.51 × 5 =
  13. 13.65 × 6 =
  14. 14.568 − 99 =
  15. 15.34 + 9 =
  16. 16.25% of ₹270 =
  17. 17.Double 45 =
  18. 18.43 + ? = 100
  19. 19.127 − 91 =
  20. 20.200 ÷ 4 =
  21. 21.60 − 17 =
  22. 22.18 + 4 =
  23. 23.28 + 3 =
  24. 24.Double 88 =
  25. 25.83 children stand in rows of 6. How many full rows can they make?
  26. 26.79 + ? = 100
  27. 27.Double 52 =
  28. 28.1 + ? = 10
  29. 29.10% of ₹490 =
  30. 30.29 laddoos are packed in boxes of 6. How many laddoos are left over?
  31. 31.84 − 73 =
  32. 32.42 + ? = 100
  33. 33.19 + 21 =
  34. 34.A film starts at 5:20 and ends at 6:20. How many minutes long is the film?
  35. 35.What is the remainder when 40 is divided by 6?
  36. 36.17² =
  37. 37.45 + 28 =
  38. 38.83 − 56 =
  39. 39.17 × 3 =
  40. 40.90 − 19 =

Answer key

  1. 12
  2. 64
  3. 55
  4. 3500
  5. 1
  6. 102
  7. 528
  8. 27.5
  9. 46
  10. 86
  11. 16
  12. 255
  13. 390
  14. 469
  15. 43
  16. 67.5
  17. 90
  18. 57
  19. 36
  20. 50
  21. 43
  22. 22
  23. 31
  24. 176
  25. 13
  26. 21
  27. 104
  28. 9
  29. 49
  30. 5
  31. 11
  32. 58
  33. 40
  34. 60
  35. 4
  36. 289
  37. 73
  38. 27
  39. 51
  40. 71

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