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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 255 · 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. 1.56 × 5 =
  2. 2.518 − 498 =
  3. 3.77 + ? = 100
  4. 4.18 + 9 =
  5. 5.99 − 46 =
  6. 6.192 ÷ 8 =
  7. 7.96 ÷ 8 =
  8. 8.Half of 194 =
  9. 9.14² =
  10. 10.180 ÷ 4 =
  11. 11.You buy a bag of mangoes for ₹42 and a pen for ₹23. You pay with a ₹100 note. How much change do you get, in rupees?
  12. 12.64 − 28 =
  13. 13.1021 − 997 =
  14. 14.19 + 20 =
  15. 15.20 + 22 =
  16. 16.Best estimate of 86 × 41? (a) 36000 (b) 3600 (c) 360
  17. 17.21 × 4 =
  18. 18.110 − 76 =
  19. 19.441 ÷ 7 =
  20. 20.You buy a bag of mangoes for ₹30 and a pen for ₹32. You pay with a ₹100 note. How much change do you get, in rupees?
  21. 21.80 − 19 =
  22. 22.216 ÷ 4 =
  23. 23.53 − 25 =
  24. 24.What is the remainder when 61 is divided by 4?
  25. 25.28 + 17 =
  26. 26.88 − 59 =
  27. 27.18² =
  28. 28.78 × 3 =
  29. 29.8 + 9 =
  30. 30.75 × 4 =
  31. 31.46 + 8 =
  32. 32.80 + 9 =
  33. 33.Double 95 =
  34. 34.45 × 4 =
  35. 35.104 ÷ 8 =
  36. 36.22 + 24 =
  37. 37.79 + 19 =
  38. 38.Half of 154 =
  39. 39.9 + 11 =
  40. 40.A train leaves at 2:20 and reaches the next city at 3:15. How many minutes is the journey?

Answer key

  1. 280
  2. 20
  3. 23
  4. 27
  5. 53
  6. 24
  7. 12
  8. 97
  9. 196
  10. 45
  11. 35
  12. 36
  13. 24
  14. 39
  15. 42
  16. 3600
  17. 84
  18. 34
  19. 63
  20. 38
  21. 61
  22. 54
  23. 28
  24. 1
  25. 45
  26. 29
  27. 324
  28. 234
  29. 17
  30. 300
  31. 54
  32. 89
  33. 190
  34. 180
  35. 13
  36. 46
  37. 98
  38. 77
  39. 20
  40. 55

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