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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 288 · 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. 1.5% of ₹510 =
  2. 2.18 + 8 =
  3. 3.6 + ? = 10
  4. 4.50% of ₹870 =
  5. 5.171 ÷ 9 =
  6. 6.21 × 9 =
  7. 7.What is the remainder when 35 is divided by 4?
  8. 8.24² =
  9. 9.99 children stand in rows of 8. How many full rows can they make?
  10. 10.17 + 19 =
  11. 11.99 − 70 =
  12. 12.124 ÷ 4 =
  13. 13.Half of 60 =
  14. 14.11² =
  15. 15.18 × 8 =
  16. 16.9 + ? = 10
  17. 17.33 × 4 =
  18. 18.You buy a pencil box for ₹276 and pay with a ₹500 note. How much change do you get, in rupees?
  19. 19.59 − 39 =
  20. 20.28 + 14 =
  21. 21.413 ÷ 7 =
  22. 22.204 ÷ 6 =
  23. 23.89 + 5 =
  24. 24.279 ÷ 9 =
  25. 25.64 + ? = 100
  26. 26.A cricket match starts at 5:20 and the first innings ends at 6:55. How many minutes did the innings last?
  27. 27.25% of ₹360 =
  28. 28.50 + ? = 100
  29. 29.74 − 35 =
  30. 30.86 × 3 =
  31. 31.21 + 59 =
  32. 32.What is the remainder when 91 is divided by 6?
  33. 33.63 × 4 =
  34. 34.19 + 3 =
  35. 35.184 ÷ 8 =
  36. 36.396 ÷ 4 =
  37. 37.216 ÷ 8 =
  38. 38.810 − 99 =
  39. 39.41 + 9 =
  40. 40.You buy a kite for ₹79 and pay with a ₹100 note. How much change do you get, in rupees?

Answer key

  1. 25.5
  2. 26
  3. 4
  4. 435
  5. 19
  6. 189
  7. 3
  8. 576
  9. 12
  10. 36
  11. 29
  12. 31
  13. 30
  14. 121
  15. 144
  16. 1
  17. 132
  18. 224
  19. 20
  20. 42
  21. 59
  22. 34
  23. 94
  24. 31
  25. 36
  26. 95
  27. 90
  28. 50
  29. 39
  30. 258
  31. 80
  32. 1
  33. 252
  34. 22
  35. 23
  36. 99
  37. 27
  38. 711
  39. 50
  40. 21

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