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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 190 · 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. 1.216 − 178 =
  2. 2.236 ÷ 4 =
  3. 3.41 + 66 =
  4. 4.25 + 19 =
  5. 5.21² =
  6. 6.288 ÷ 8 =
  7. 7.184 ÷ 8 =
  8. 8.56 + 9 =
  9. 9.11 + 10 =
  10. 10.What is the remainder when 38 is divided by 4?
  11. 11.37 + ? = 100
  12. 12.50% of ₹260 =
  13. 13.1003 − 975 =
  14. 14.50 + 9 =
  15. 15.41 laddoos are packed in boxes of 4. How many laddoos are left over?
  16. 16.20 + 22 =
  17. 17.504 − 496 =
  18. 18.41 + 44 =
  19. 19.21 × 5 =
  20. 20.100 − 65 =
  21. 21.75 + 19 =
  22. 22.What is the remainder when 115 is divided by 9?
  23. 23.A cricket match starts at 1:55 and the first innings ends at 4:40. How many minutes did the innings last?
  24. 24.You buy a kite for ₹36 and a pen for ₹24. You pay with a ₹100 note. How much change do you get, in rupees?
  25. 25.49 + 26 =
  26. 26.13 × 8 =
  27. 27.67 × 8 =
  28. 28.405 ÷ 9 =
  29. 29.6 + ? = 10
  30. 30.75 − 45 =
  31. 31.124 ÷ 4 =
  32. 32.29 + 4 =
  33. 33.89 − 61 =
  34. 34.23² =
  35. 35.11 + 13 =
  36. 36.35 × 4 =
  37. 37.A cricket match starts at 3:35 and the first innings ends at 6:20. How many minutes did the innings last?
  38. 38.63 − 42 =
  39. 39.53 − 39 =
  40. 40.54 + ? = 100

Answer key

  1. 38
  2. 59
  3. 107
  4. 44
  5. 441
  6. 36
  7. 23
  8. 65
  9. 21
  10. 2
  11. 63
  12. 130
  13. 28
  14. 59
  15. 1
  16. 42
  17. 8
  18. 85
  19. 105
  20. 35
  21. 94
  22. 7
  23. 165
  24. 40
  25. 75
  26. 104
  27. 536
  28. 45
  29. 4
  30. 30
  31. 31
  32. 33
  33. 28
  34. 529
  35. 24
  36. 140
  37. 165
  38. 21
  39. 14
  40. 46

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