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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 257 · 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.Best estimate of 174 + 274? (a) 700 (b) 500 (c) 300
  2. 2.59 laddoos are packed in boxes of 5. How many laddoos are left over?
  3. 3.32 × 8 =
  4. 4.93 − 54 =
  5. 5.136 laddoos are packed in boxes of 9. How many laddoos are left over?
  6. 6.38 + 5 =
  7. 7.3 + ? = 10
  8. 8.You buy a kite for ₹161 and pay with a ₹500 note. How much change do you get, in rupees?
  9. 9.73 + 73 =
  10. 10.89 laddoos are packed in boxes of 7. How many laddoos are left over?
  11. 11.85 + ? = 100
  12. 12.1014 − 992 =
  13. 13.232 ÷ 4 =
  14. 14.5% of ₹780 =
  15. 15.56 ÷ 4 =
  16. 16.You buy a notebook for ₹41 and a pen for ₹13. You pay with a ₹100 note. How much change do you get, in rupees?
  17. 17.A film starts at 8:25 and ends at 9:15. How many minutes long is the film?
  18. 18.6 + 6 =
  19. 19.Best estimate of 417 + 527? (a) 1100 (b) 700 (c) 900
  20. 20.64 + 51 =
  21. 21.76 laddoos are packed in boxes of 6. How many laddoos are left over?
  22. 22.13 × 8 =
  23. 23.24 × 6 =
  24. 24.63 + 53 =
  25. 25.A cricket match starts at 8:50 and the first innings ends at 10:30. How many minutes did the innings last?
  26. 26.Double 81 =
  27. 27.A cricket match starts at 7:25 and the first innings ends at 8:05. How many minutes did the innings last?
  28. 28.38 × 5 =
  29. 29.14 + 15 =
  30. 30.520 ÷ 8 =
  31. 31.Best estimate of 185 + 506? (a) 700 (b) 900 (c) 500
  32. 32.25² =
  33. 33.25 + 44 =
  34. 34.29² =
  35. 35.315 ÷ 9 =
  36. 36.What is the remainder when 25 is divided by 4?
  37. 37.10% of ₹700 =
  38. 38.17 children stand in rows of 4. How many full rows can they make?
  39. 39.93 laddoos are packed in boxes of 8. How many laddoos are left over?
  40. 40.47 + ? = 100

Answer key

  1. 500
  2. 4
  3. 256
  4. 39
  5. 1
  6. 43
  7. 7
  8. 339
  9. 146
  10. 5
  11. 15
  12. 22
  13. 58
  14. 39
  15. 14
  16. 46
  17. 50
  18. 12
  19. 900
  20. 115
  21. 4
  22. 104
  23. 144
  24. 116
  25. 100
  26. 162
  27. 40
  28. 190
  29. 29
  30. 65
  31. 700
  32. 625
  33. 69
  34. 841
  35. 35
  36. 1
  37. 70
  38. 4
  39. 5
  40. 53

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