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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 826 · 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. 1.16² =
  2. 2.Double 91 =
  3. 3.256 ÷ 8 =
  4. 4.50% of ₹80 =
  5. 5.48 + 9 =
  6. 6.85 ÷ 5 =
  7. 7.107 laddoos are packed in boxes of 7. How many laddoos are left over?
  8. 8.72 × 9 =
  9. 9.37 + 73 =
  10. 10.19² =
  11. 11.A cricket match starts at 4:05 and the first innings ends at 7:05. How many minutes did the innings last?
  12. 12.93 × 6 =
  13. 13.21 × 4 =
  14. 14.Double 93 =
  15. 15.25% of ₹370 =
  16. 16.36 + 25 =
  17. 17.47 + 6 =
  18. 18.88 ÷ 4 =
  19. 19.27 + 9 =
  20. 20.17 + 16 =
  21. 21.50% of ₹250 =
  22. 22.57 − 22 =
  23. 23.144 ÷ 8 =
  24. 24.148 ÷ 4 =
  25. 25.13² =
  26. 26.23 + 24 =
  27. 27.50% of ₹710 =
  28. 28.Half of 110 =
  29. 29.24 + 26 =
  30. 30.A train leaves at 2:10 and reaches the next city at 4:10. How many minutes is the journey?
  31. 31.14 × 8 =
  32. 32.85 − 75 =
  33. 33.46 + 6 =
  34. 34.5% of ₹410 =
  35. 35.152 ÷ 8 =
  36. 36.87 + 37 =
  37. 37.53 + 9 =
  38. 38.25% of ₹200 =
  39. 39.504 − 475 =
  40. 40.What is the remainder when 68 is divided by 5?

Answer key

  1. 256
  2. 182
  3. 32
  4. 40
  5. 57
  6. 17
  7. 2
  8. 648
  9. 110
  10. 361
  11. 180
  12. 558
  13. 84
  14. 186
  15. 92.5
  16. 61
  17. 53
  18. 22
  19. 36
  20. 33
  21. 125
  22. 35
  23. 18
  24. 37
  25. 169
  26. 47
  27. 355
  28. 55
  29. 50
  30. 120
  31. 112
  32. 10
  33. 52
  34. 20.5
  35. 19
  36. 124
  37. 62
  38. 50
  39. 29
  40. 3

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