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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 59 · 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 136 is divided by 9?
  2. 2.228 − 181 =
  3. 3.15 + 7 =
  4. 4.110 + 99 =
  5. 5.14 × 6 =
  6. 6.216 ÷ 8 =
  7. 7.45 × 4 =
  8. 8.41 × 3 =
  9. 9.50% of ₹730 =
  10. 10.58 + 9 =
  11. 11.344 ÷ 4 =
  12. 12.64 ÷ 4 =
  13. 13.You buy a water bottle for ₹209 and pay with a ₹500 note. How much change do you get, in rupees?
  14. 14.27 children stand in rows of 4. How many full rows can they make?
  15. 15.460 ÷ 5 =
  16. 16.84 − 69 =
  17. 17.86 + ? = 100
  18. 18.1026 − 983 =
  19. 19.27 + 28 =
  20. 20.9 + 9 =
  21. 21.81 × 9 =
  22. 22.23 − 9 =
  23. 23.38 + 14 =
  24. 24.99 − 72 =
  25. 25.307 − 278 =
  26. 26.52 + 57 =
  27. 27.Half of 74 =
  28. 28.You buy a bag of mangoes for ₹129 and pay with a ₹500 note. How much change do you get, in rupees?
  29. 29.224 ÷ 7 =
  30. 30.24 + 25 =
  31. 31.113 − 79 =
  32. 32.76 × 6 =
  33. 33.What is the remainder when 122 is divided by 9?
  34. 34.50 × 4 =
  35. 35.276 ÷ 3 =
  36. 36.6 + 7 =
  37. 37.58 − 38 =
  38. 38.616 − 99 =
  39. 39.102 − 78 =
  40. 40.Half of 60 =

Answer key

  1. 1
  2. 47
  3. 22
  4. 209
  5. 84
  6. 27
  7. 180
  8. 123
  9. 365
  10. 67
  11. 86
  12. 16
  13. 291
  14. 6
  15. 92
  16. 15
  17. 14
  18. 43
  19. 55
  20. 18
  21. 729
  22. 14
  23. 52
  24. 27
  25. 29
  26. 109
  27. 37
  28. 371
  29. 32
  30. 49
  31. 34
  32. 456
  33. 5
  34. 200
  35. 92
  36. 13
  37. 20
  38. 517
  39. 24
  40. 30

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