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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 852 · 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. 1.21² =
  2. 2.1 + ? = 10
  3. 3.What is the remainder when 58 is divided by 7?
  4. 4.122 + 99 =
  5. 5.Double 57 =
  6. 6.You start your homework at 1:30 and finish at 3:10. How many minutes did you work?
  7. 7.296 ÷ 8 =
  8. 8.213 − 180 =
  9. 9.51 + 47 =
  10. 10.318 − 285 =
  11. 11.59 − 49 =
  12. 12.553 ÷ 7 =
  13. 13.581 ÷ 7 =
  14. 14.256 ÷ 8 =
  15. 15.17 + 19 =
  16. 16.59 + 9 =
  17. 17.Double 99 =
  18. 18.29 + ? = 100
  19. 19.138 laddoos are packed in boxes of 9. How many laddoos are left over?
  20. 20.213 ÷ 3 =
  21. 21.156 ÷ 4 =
  22. 22.10 + 12 =
  23. 23.5% of ₹600 =
  24. 24.324 ÷ 4 =
  25. 25.28 × 9 =
  26. 26.16 × 8 =
  27. 27.Best estimate of 670 + 686? (a) 1400 (b) 1200 (c) 1600
  28. 28.232 ÷ 8 =
  29. 29.88 − 62 =
  30. 30.12 + 11 =
  31. 31.18 + 17 =
  32. 32.5% of ₹290 =
  33. 33.88 ÷ 4 =
  34. 34.42 + ? = 100
  35. 35.18 + 8 =
  36. 36.37 + 9 =
  37. 37.55 + 6 =
  38. 38.49 × 4 =
  39. 39.87 − 51 =
  40. 40.A cricket match starts at 3:50 and the first innings ends at 4:30. How many minutes did the innings last?

Answer key

  1. 441
  2. 9
  3. 2
  4. 221
  5. 114
  6. 100
  7. 37
  8. 33
  9. 98
  10. 33
  11. 10
  12. 79
  13. 83
  14. 32
  15. 36
  16. 68
  17. 198
  18. 71
  19. 3
  20. 71
  21. 39
  22. 22
  23. 30
  24. 81
  25. 252
  26. 128
  27. 1400
  28. 29
  29. 26
  30. 23
  31. 35
  32. 14.5
  33. 22
  34. 58
  35. 26
  36. 46
  37. 61
  38. 196
  39. 36
  40. 40

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