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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 722 · 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 ₹640 =
  2. 2.Double 47 =
  3. 3.You buy a storybook for ₹445 and pay with a ₹500 note. How much change do you get, in rupees?
  4. 4.You buy a kite for ₹29 and a pen for ₹43. You pay with a ₹100 note. How much change do you get, in rupees?
  5. 5.216 ÷ 8 =
  6. 6.Best estimate of 26 × 36? (a) 1200 (b) 12000 (c) 120
  7. 7.1001 − 988 =
  8. 8.136 laddoos are packed in boxes of 9. How many laddoos are left over?
  9. 9.60 laddoos are packed in boxes of 9. How many laddoos are left over?
  10. 10.13 × 8 =
  11. 11.88 − 73 =
  12. 12.A cricket match starts at 5:55 and the first innings ends at 7:20. How many minutes did the innings last?
  13. 13.56 − 12 =
  14. 14.90 − 61 =
  15. 15.58 + 59 =
  16. 16.You buy a notebook for ₹32 and a pen for ₹26. You pay with a ₹100 note. How much change do you get, in rupees?
  17. 17.56 + 61 =
  18. 18.22 laddoos are packed in boxes of 4. How many laddoos are left over?
  19. 19.54 − 28 =
  20. 20.86 + ? = 100
  21. 21.168 ÷ 8 =
  22. 22.A film starts at 2:20 and ends at 5:00. How many minutes long is the film?
  23. 23.332 ÷ 4 =
  24. 24.22² =
  25. 25.95 − 16 =
  26. 26.You buy a kite for ₹15 and a pen for ₹22. You pay with a ₹100 note. How much change do you get, in rupees?
  27. 27.44 + 25 =
  28. 28.65 + 29 =
  29. 29.228 ÷ 4 =
  30. 30.You buy a notebook for ₹37 and a pen for ₹13. You pay with a ₹100 note. How much change do you get, in rupees?
  31. 31.25% of ₹210 =
  32. 32.Half of 116 =
  33. 33.19 × 4 =
  34. 34.195 ÷ 3 =
  35. 35.21 × 6 =
  36. 36.You start your homework at 5:55 and finish at 8:10. How many minutes did you work?
  37. 37.10% of ₹80 =
  38. 38.59 − 19 =
  39. 39.529 − 491 =
  40. 40.156 ÷ 4 =

Answer key

  1. 32
  2. 94
  3. 55
  4. 28
  5. 27
  6. 1200
  7. 13
  8. 1
  9. 6
  10. 104
  11. 15
  12. 85
  13. 44
  14. 29
  15. 117
  16. 42
  17. 117
  18. 2
  19. 26
  20. 14
  21. 21
  22. 160
  23. 83
  24. 484
  25. 79
  26. 63
  27. 69
  28. 94
  29. 57
  30. 50
  31. 52.5
  32. 58
  33. 76
  34. 65
  35. 126
  36. 135
  37. 8
  38. 40
  39. 38
  40. 39

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