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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 528 · 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. 1.58 − 41 =
  2. 2.You buy a storybook for ₹352 and pay with a ₹500 note. How much change do you get, in rupees?
  3. 3.95 − 16 =
  4. 4.57 + 8 =
  5. 5.594 ÷ 9 =
  6. 6.37 × 8 =
  7. 7.296 ÷ 4 =
  8. 8.119 ÷ 7 =
  9. 9.82 + 78 =
  10. 10.15² =
  11. 11.1008 − 986 =
  12. 12.125 laddoos are packed in boxes of 8. How many laddoos are left over?
  13. 13.23 + ? = 100
  14. 14.69 + 12 =
  15. 15.10% of ₹240 =
  16. 16.510 − 480 =
  17. 17.28 + 30 =
  18. 18.You buy a bag of mangoes for ₹155 and pay with a ₹500 note. How much change do you get, in rupees?
  19. 19.408 ÷ 6 =
  20. 20.69 + 6 =
  21. 21.21² =
  22. 22.748 + 99 =
  23. 23.What is the remainder when 123 is divided by 9?
  24. 24.73 − 22 =
  25. 25.36 × 4 =
  26. 26.38 + 14 =
  27. 27.1 + ? = 10
  28. 28.46 + ? = 100
  29. 29.Double 46 =
  30. 30.29 + 9 =
  31. 31.46 laddoos are packed in boxes of 4. How many laddoos are left over?
  32. 32.27² =
  33. 33.10% of ₹450 =
  34. 34.5% of ₹50 =
  35. 35.82 × 7 =
  36. 36.116 ÷ 4 =
  37. 37.1004 − 992 =
  38. 38.112 ÷ 8 =
  39. 39.26 + 7 =
  40. 40.22 + 9 =

Answer key

  1. 17
  2. 148
  3. 79
  4. 65
  5. 66
  6. 296
  7. 74
  8. 17
  9. 160
  10. 225
  11. 22
  12. 5
  13. 77
  14. 81
  15. 24
  16. 30
  17. 58
  18. 345
  19. 68
  20. 75
  21. 441
  22. 847
  23. 6
  24. 51
  25. 144
  26. 52
  27. 9
  28. 54
  29. 92
  30. 38
  31. 2
  32. 729
  33. 45
  34. 2.5
  35. 574
  36. 29
  37. 12
  38. 14
  39. 33
  40. 31

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