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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 941 · 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 43 is divided by 9?
  2. 2.You buy a pencil box for ₹385 and pay with a ₹500 note. How much change do you get, in rupees?
  3. 3.25 + 27 =
  4. 4.Double 93 =
  5. 5.10% of ₹170 =
  6. 6.28² =
  7. 7.14² =
  8. 8.512 − 475 =
  9. 9.49 × 6 =
  10. 10.29 + 4 =
  11. 11.8 + 7 =
  12. 12.32 + 21 =
  13. 13.64 − 16 =
  14. 14.631 − 99 =
  15. 15.78 + 19 =
  16. 16.43 + 31 =
  17. 17.25% of ₹450 =
  18. 18.8 + 10 =
  19. 19.29 + 30 =
  20. 20.55 + 6 =
  21. 21.26 + ? = 100
  22. 22.2 + ? = 10
  23. 23.5% of ₹370 =
  24. 24.21² =
  25. 25.64 × 3 =
  26. 26.A train leaves at 5:20 and reaches the next city at 7:35. How many minutes is the journey?
  27. 27.Double 49 =
  28. 28.82 − 75 =
  29. 29.You buy a cricket ball for ₹31 and a pen for ₹41. You pay with a ₹100 note. How much change do you get, in rupees?
  30. 30.5% of ₹460 =
  31. 31.47 + 9 =
  32. 32.10% of ₹790 =
  33. 33.82 + ? = 100
  34. 34.You buy a storybook for ₹27 and pay with a ₹100 note. How much change do you get, in rupees?
  35. 35.208 ÷ 4 =
  36. 36.18 + 19 =
  37. 37.573 + 99 =
  38. 38.36 + 6 =
  39. 39.41 × 4 =
  40. 40.10 + 9 =

Answer key

  1. 7
  2. 115
  3. 52
  4. 186
  5. 17
  6. 784
  7. 196
  8. 37
  9. 294
  10. 33
  11. 15
  12. 53
  13. 48
  14. 532
  15. 97
  16. 74
  17. 112.5
  18. 18
  19. 59
  20. 61
  21. 74
  22. 8
  23. 18.5
  24. 441
  25. 192
  26. 135
  27. 98
  28. 7
  29. 28
  30. 23
  31. 56
  32. 79
  33. 18
  34. 73
  35. 52
  36. 37
  37. 672
  38. 42
  39. 164
  40. 19

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