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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 319 · 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. 1.75 laddoos are packed in boxes of 7. How many laddoos are left over?
  2. 2.13 + 19 =
  3. 3.188 ÷ 4 =
  4. 4.10% of ₹390 =
  5. 5.90 − 43 =
  6. 6.Double 21 =
  7. 7.10% of ₹760 =
  8. 8.Half of 154 =
  9. 9.62 + ? = 100
  10. 10.62 × 7 =
  11. 11.12 + 11 =
  12. 12.24² =
  13. 13.Double 36 =
  14. 14.89 × 3 =
  15. 15.132 ÷ 4 =
  16. 16.You buy a pencil box for ₹188 and pay with a ₹500 note. How much change do you get, in rupees?
  17. 17.10 + 11 =
  18. 18.92 − 76 =
  19. 19.8 + ? = 10
  20. 20.710 + 99 =
  21. 21.You start your homework at 3:30 and finish at 4:25. How many minutes did you work?
  22. 22.57 children stand in rows of 4. How many full rows can they make?
  23. 23.114 − 84 =
  24. 24.Double 27 =
  25. 25.26 + 28 =
  26. 26.53 − 18 =
  27. 27.18 × 3 =
  28. 28.5 + ? = 10
  29. 29.27 + 29 =
  30. 30.62 + 28 =
  31. 31.15 + 17 =
  32. 32.What is the remainder when 34 is divided by 3?
  33. 33.A film starts at 7:55 and ends at 8:35. How many minutes long is the film?
  34. 34.96 ÷ 8 =
  35. 35.Best estimate of 20 × 54? (a) 10000 (b) 1000 (c) 100
  36. 36.39 + 6 =
  37. 37.208 ÷ 8 =
  38. 38.26 + 25 =
  39. 39.1 + ? = 10
  40. 40.4 + ? = 10

Answer key

  1. 5
  2. 32
  3. 47
  4. 39
  5. 47
  6. 42
  7. 76
  8. 77
  9. 38
  10. 434
  11. 23
  12. 576
  13. 72
  14. 267
  15. 33
  16. 312
  17. 21
  18. 16
  19. 2
  20. 809
  21. 55
  22. 14
  23. 30
  24. 54
  25. 54
  26. 35
  27. 54
  28. 5
  29. 56
  30. 90
  31. 32
  32. 1
  33. 40
  34. 12
  35. 1000
  36. 45
  37. 26
  38. 51
  39. 9
  40. 6

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