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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 486 · 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.A cricket match starts at 3:30 and the first innings ends at 6:30. How many minutes did the innings last?
  2. 2.You buy a notebook for ₹348 and pay with a ₹500 note. How much change do you get, in rupees?
  3. 3.Double 75 =
  4. 4.77 + 45 =
  5. 5.88 + 9 =
  6. 6.200 ÷ 8 =
  7. 7.84 − 65 =
  8. 8.60 ÷ 5 =
  9. 9.56 ÷ 4 =
  10. 10.292 ÷ 4 =
  11. 11.435 − 99 =
  12. 12.Best estimate of 81 × 48? (a) 40000 (b) 4000 (c) 400
  13. 13.95 children stand in rows of 9. How many full rows can they make?
  14. 14.You buy a kite for ₹32 and pay with a ₹100 note. How much change do you get, in rupees?
  15. 15.16 children stand in rows of 3. How many full rows can they make?
  16. 16.Half of 62 =
  17. 17.196 ÷ 4 =
  18. 18.You start your homework at 6:35 and finish at 7:30. How many minutes did you work?
  19. 19.83 − 54 =
  20. 20.50 laddoos are packed in boxes of 7. How many laddoos are left over?
  21. 21.76 × 7 =
  22. 22.29² =
  23. 23.Best estimate of 382 + 833? (a) 1000 (b) 1400 (c) 1200
  24. 24.28 + ? = 100
  25. 25.A cricket match starts at 5:00 and the first innings ends at 8:00. How many minutes did the innings last?
  26. 26.A film starts at 3:30 and ends at 4:20. How many minutes long is the film?
  27. 27.78 + 9 =
  28. 28.What is the remainder when 57 is divided by 4?
  29. 29.50% of ₹270 =
  30. 30.111 laddoos are packed in boxes of 8. How many laddoos are left over?
  31. 31.You buy a box of crayons for ₹21 and a pen for ₹21. You pay with a ₹100 note. How much change do you get, in rupees?
  32. 32.19² =
  33. 33.Best estimate of 779 + 716? (a) 1500 (b) 1700 (c) 1300
  34. 34.228 ÷ 4 =
  35. 35.12 × 4 =
  36. 36.3 + ? = 10
  37. 37.50% of ₹680 =
  38. 38.12² =
  39. 39.154 + 99 =
  40. 40.10% of ₹530 =

Answer key

  1. 180
  2. 152
  3. 150
  4. 122
  5. 97
  6. 25
  7. 19
  8. 12
  9. 14
  10. 73
  11. 336
  12. 4000
  13. 10
  14. 68
  15. 5
  16. 31
  17. 49
  18. 55
  19. 29
  20. 1
  21. 532
  22. 841
  23. 1200
  24. 72
  25. 180
  26. 50
  27. 87
  28. 1
  29. 135
  30. 7
  31. 58
  32. 361
  33. 1500
  34. 57
  35. 48
  36. 7
  37. 340
  38. 144
  39. 253
  40. 53

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