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Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 806 · 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. 1.164 ÷ 4 =
  2. 2.86 + 88 =
  3. 3.16 + 9 =
  4. 4.29² =
  5. 5.103 − 85 =
  6. 6.5% of ₹800 =
  7. 7.16 × 5 =
  8. 8.10% of ₹600 =
  9. 9.29 + 28 =
  10. 10.83 + 52 =
  11. 11.You buy a bag of mangoes for ₹35 and a pen for ₹33. You pay with a ₹100 note. How much change do you get, in rupees?
  12. 12.13² =
  13. 13.Half of 116 =
  14. 14.503 − 485 =
  15. 15.168 ÷ 7 =
  16. 16.64 × 3 =
  17. 17.Double 75 =
  18. 18.16 + 6 =
  19. 19.8 + ? = 10
  20. 20.72 − 19 =
  21. 21.307 − 278 =
  22. 22.170 ÷ 5 =
  23. 23.59 × 4 =
  24. 24.118 − 78 =
  25. 25.Double 72 =
  26. 26.94 − 53 =
  27. 27.32 × 8 =
  28. 28.5% of ₹320 =
  29. 29.8 + 9 =
  30. 30.You buy a kite for ₹411 and pay with a ₹500 note. How much change do you get, in rupees?
  31. 31.69 − 48 =
  32. 32.55 + 7 =
  33. 33.34 × 7 =
  34. 34.What is the remainder when 26 is divided by 5?
  35. 35.6 + ? = 10
  36. 36.A cricket match starts at 3:15 and the first innings ends at 5:45. How many minutes did the innings last?
  37. 37.84 − 60 =
  38. 38.57 + ? = 100
  39. 39.26 + 9 =
  40. 40.24 × 8 =

Answer key

  1. 41
  2. 174
  3. 25
  4. 841
  5. 18
  6. 40
  7. 80
  8. 60
  9. 57
  10. 135
  11. 32
  12. 169
  13. 58
  14. 18
  15. 24
  16. 192
  17. 150
  18. 22
  19. 2
  20. 53
  21. 29
  22. 34
  23. 236
  24. 40
  25. 144
  26. 41
  27. 256
  28. 16
  29. 17
  30. 89
  31. 21
  32. 62
  33. 238
  34. 1
  35. 4
  36. 150
  37. 24
  38. 43
  39. 35
  40. 192

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