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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 981 · 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.What is the remainder when 29 is divided by 3?
  2. 2.What is the remainder when 55 is divided by 9?
  3. 3.63 + ? = 100
  4. 4.63 − 23 =
  5. 5.25 children stand in rows of 4. How many full rows can they make?
  6. 6.34 laddoos are packed in boxes of 4. How many laddoos are left over?
  7. 7.You buy a notebook for ₹114 and pay with a ₹500 note. How much change do you get, in rupees?
  8. 8.27 + 28 =
  9. 9.144 ÷ 4 =
  10. 10.48 + ? = 100
  11. 11.76 − 42 =
  12. 12.85 − 71 =
  13. 13.67 − 51 =
  14. 14.80 + ? = 100
  15. 15.Best estimate of 41 × 76? (a) 32000 (b) 320 (c) 3200
  16. 16.2 + ? = 10
  17. 17.69 + ? = 100
  18. 18.A cricket match starts at 7:00 and the first innings ends at 7:30. How many minutes did the innings last?
  19. 19.19 × 8 =
  20. 20.You buy a pencil box for ₹21 and a pen for ₹17. You pay with a ₹100 note. How much change do you get, in rupees?
  21. 21.You buy a bag of mangoes for ₹37 and a pen for ₹35. You pay with a ₹100 note. How much change do you get, in rupees?
  22. 22.Half of 186 =
  23. 23.A film starts at 5:20 and ends at 6:40. How many minutes long is the film?
  24. 24.56 − 16 =
  25. 25.Best estimate of 69 × 86? (a) 6300 (b) 63000 (c) 630
  26. 26.Double 31 =
  27. 27.Double 61 =
  28. 28.75 + 7 =
  29. 29.28² =
  30. 30.216 ÷ 8 =
  31. 31.188 ÷ 4 =
  32. 32.60 − 9 =
  33. 33.Half of 152 =
  34. 34.Best estimate of 708 + 763? (a) 1500 (b) 1700 (c) 1300
  35. 35.Best estimate of 23 × 96? (a) 20000 (b) 2000 (c) 200
  36. 36.You buy a notebook for ₹37 and a pen for ₹43. You pay with a ₹100 note. How much change do you get, in rupees?
  37. 37.25% of ₹800 =
  38. 38.17 + 4 =
  39. 39.Half of 136 =
  40. 40.A train leaves at 1:05 and reaches the next city at 3:00. How many minutes is the journey?

Answer key

  1. 2
  2. 1
  3. 37
  4. 40
  5. 6
  6. 2
  7. 386
  8. 55
  9. 36
  10. 52
  11. 34
  12. 14
  13. 16
  14. 20
  15. 3200
  16. 8
  17. 31
  18. 30
  19. 152
  20. 62
  21. 28
  22. 93
  23. 80
  24. 40
  25. 6300
  26. 62
  27. 122
  28. 82
  29. 784
  30. 27
  31. 47
  32. 51
  33. 76
  34. 1500
  35. 2000
  36. 20
  37. 200
  38. 21
  39. 68
  40. 115

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