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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 374 · 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.What is the remainder when 74 is divided by 8?
  2. 2.244 ÷ 4 =
  3. 3.Double 57 =
  4. 4.You start your homework at 5:10 and finish at 7:25. How many minutes did you work?
  5. 5.19 + 8 =
  6. 6.Best estimate of 76 × 67? (a) 56000 (b) 560 (c) 5600
  7. 7.12 + 11 =
  8. 8.5% of ₹280 =
  9. 9.28² =
  10. 10.37 + 9 =
  11. 11.You buy a notebook for ₹93 and pay with a ₹100 note. How much change do you get, in rupees?
  12. 12.You buy a storybook for ₹11 and a pen for ₹21. You pay with a ₹100 note. How much change do you get, in rupees?
  13. 13.33 − 29 =
  14. 14.224 ÷ 8 =
  15. 15.74 − 24 =
  16. 16.25 + 45 =
  17. 17.16 × 8 =
  18. 18.38 + 71 =
  19. 19.54 + 19 =
  20. 20.31 + ? = 100
  21. 21.You buy a cricket ball for ₹126 and pay with a ₹500 note. How much change do you get, in rupees?
  22. 22.16 + ? = 100
  23. 23.85 × 8 =
  24. 24.14 × 8 =
  25. 25.47 + 7 =
  26. 26.18 + ? = 100
  27. 27.31 + 56 =
  28. 28.49 + 8 =
  29. 29.You buy a kite for ₹80 and pay with a ₹100 note. How much change do you get, in rupees?
  30. 30.You buy a kite for ₹51 and pay with a ₹100 note. How much change do you get, in rupees?
  31. 31.67 − 25 =
  32. 32.5% of ₹310 =
  33. 33.9 + ? = 10
  34. 34.221 − 193 =
  35. 35.Half of 194 =
  36. 36.2 + ? = 10
  37. 37.A train leaves at 8:50 and reaches the next city at 10:20. How many minutes is the journey?
  38. 38.Half of 154 =
  39. 39.41 × 8 =
  40. 40.448 ÷ 7 =

Answer key

  1. 2
  2. 61
  3. 114
  4. 135
  5. 27
  6. 5600
  7. 23
  8. 14
  9. 784
  10. 46
  11. 7
  12. 68
  13. 4
  14. 28
  15. 50
  16. 70
  17. 128
  18. 109
  19. 73
  20. 69
  21. 374
  22. 84
  23. 680
  24. 112
  25. 54
  26. 82
  27. 87
  28. 57
  29. 20
  30. 49
  31. 42
  32. 15.5
  33. 1
  34. 28
  35. 97
  36. 8
  37. 90
  38. 77
  39. 328
  40. 64

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