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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 814 · 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. 1.41 laddoos are packed in boxes of 8. How many laddoos are left over?
  2. 2.212 ÷ 4 =
  3. 3.30 + 29 =
  4. 4.22 × 8 =
  5. 5.Double 78 =
  6. 6.10% of ₹850 =
  7. 7.104 ÷ 8 =
  8. 8.What is the remainder when 105 is divided by 8?
  9. 9.128 ÷ 4 =
  10. 10.Best estimate of 339 + 641? (a) 700 (b) 1100 (c) 900
  11. 11.4 + ? = 10
  12. 12.40 × 8 =
  13. 13.A train leaves at 8:15 and reaches the next city at 9:15. How many minutes is the journey?
  14. 14.203 + 99 =
  15. 15.25 + 6 =
  16. 16.72 ÷ 4 =
  17. 17.10 + 11 =
  18. 18.25 children stand in rows of 3. How many full rows can they make?
  19. 19.Double 33 =
  20. 20.You buy a kite for ₹437 and pay with a ₹500 note. How much change do you get, in rupees?
  21. 21.You start your homework at 7:00 and finish at 10:05. How many minutes did you work?
  22. 22.You buy a bag of mangoes for ₹370 and pay with a ₹500 note. How much change do you get, in rupees?
  23. 23.A cricket match starts at 4:15 and the first innings ends at 6:10. How many minutes did the innings last?
  24. 24.62 + 55 =
  25. 25.18 × 8 =
  26. 26.184 ÷ 4 =
  27. 27.Best estimate of 808 + 209? (a) 1200 (b) 1000 (c) 800
  28. 28.8 + ? = 10
  29. 29.502 − 481 =
  30. 30.Best estimate of 244 + 563? (a) 800 (b) 600 (c) 1000
  31. 31.17 laddoos are packed in boxes of 3. How many laddoos are left over?
  32. 32.A film starts at 3:55 and ends at 5:10. How many minutes long is the film?
  33. 33.707 − 99 =
  34. 34.9 + ? = 10
  35. 35.Best estimate of 87 × 60? (a) 54000 (b) 540 (c) 5400
  36. 36.Double 16 =
  37. 37.You buy a pencil box for ₹39 and a pen for ₹41. You pay with a ₹100 note. How much change do you get, in rupees?
  38. 38.216 ÷ 4 =
  39. 39.204 − 196 =
  40. 40.43 laddoos are packed in boxes of 3. How many laddoos are left over?

Answer key

  1. 1
  2. 53
  3. 59
  4. 176
  5. 156
  6. 85
  7. 13
  8. 1
  9. 32
  10. 900
  11. 6
  12. 320
  13. 60
  14. 302
  15. 31
  16. 18
  17. 21
  18. 8
  19. 66
  20. 63
  21. 185
  22. 130
  23. 115
  24. 117
  25. 144
  26. 46
  27. 1000
  28. 2
  29. 21
  30. 800
  31. 2
  32. 75
  33. 608
  34. 1
  35. 5400
  36. 32
  37. 20
  38. 54
  39. 8
  40. 1

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