← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 90 · 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.You buy a box of crayons for ₹35 and a pen for ₹28. You pay with a ₹100 note. How much change do you get, in rupees?
  2. 2.You buy a box of crayons for ₹44 and pay with a ₹100 note. How much change do you get, in rupees?
  3. 3.16 + 17 =
  4. 4.90 − 74 =
  5. 5.74 − 27 =
  6. 6.144 ÷ 6 =
  7. 7.A film starts at 5:10 and ends at 6:45. How many minutes long is the film?
  8. 8.37 × 4 =
  9. 9.38 + 61 =
  10. 10.514 − 482 =
  11. 11.Double 17 =
  12. 12.258 ÷ 3 =
  13. 13.66 + 8 =
  14. 14.43 + ? = 100
  15. 15.25% of ₹620 =
  16. 16.43 + 29 =
  17. 17.216 ÷ 3 =
  18. 18.Best estimate of 76 × 29? (a) 24000 (b) 240 (c) 2400
  19. 19.7 + 8 =
  20. 20.Half of 78 =
  21. 21.A train leaves at 3:50 and reaches the next city at 4:55. How many minutes is the journey?
  22. 22.527 − 490 =
  23. 23.Half of 184 =
  24. 24.31 + 45 =
  25. 25.What is the remainder when 38 is divided by 6?
  26. 26.256 ÷ 8 =
  27. 27.13 − 9 =
  28. 28.What is the remainder when 86 is divided by 9?
  29. 29.85 + ? = 100
  30. 30.125 − 90 =
  31. 31.80 − 29 =
  32. 32.19 + 18 =
  33. 33.You buy a kite for ₹29 and a pen for ₹14. You pay with a ₹100 note. How much change do you get, in rupees?
  34. 34.32 + 52 =
  35. 35.2 + ? = 10
  36. 36.120 ÷ 4 =
  37. 37.50 + 19 =
  38. 38.16 + ? = 100
  39. 39.222 − 176 =
  40. 40.17 + 19 =

Answer key

  1. 37
  2. 56
  3. 33
  4. 16
  5. 47
  6. 24
  7. 95
  8. 148
  9. 99
  10. 32
  11. 34
  12. 86
  13. 74
  14. 57
  15. 155
  16. 72
  17. 72
  18. 2400
  19. 15
  20. 39
  21. 65
  22. 37
  23. 92
  24. 76
  25. 2
  26. 32
  27. 4
  28. 5
  29. 15
  30. 35
  31. 51
  32. 37
  33. 57
  34. 84
  35. 8
  36. 30
  37. 69
  38. 84
  39. 46
  40. 36

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths