← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 763 · 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. 1.180 ÷ 4 =
  2. 2.35 × 8 =
  3. 3.89 − 26 =
  4. 4.Double 43 =
  5. 5.22² =
  6. 6.You start your homework at 5:20 and finish at 8:20. How many minutes did you work?
  7. 7.29 + ? = 100
  8. 8.68 + 77 =
  9. 9.74 + 44 =
  10. 10.What is the remainder when 62 is divided by 5?
  11. 11.Double 24 =
  12. 12.101 − 90 =
  13. 13.You buy a notebook for ₹28 and pay with a ₹100 note. How much change do you get, in rupees?
  14. 14.You buy a cricket ball for ₹24 and a pen for ₹27. You pay with a ₹100 note. How much change do you get, in rupees?
  15. 15.32 × 4 =
  16. 16.54 + 51 =
  17. 17.208 ÷ 8 =
  18. 18.You buy a pencil box for ₹12 and pay with a ₹100 note. How much change do you get, in rupees?
  19. 19.69 − 37 =
  20. 20.224 ÷ 8 =
  21. 21.You buy a box of crayons for ₹41 and a pen for ₹11. You pay with a ₹100 note. How much change do you get, in rupees?
  22. 22.56 + 29 =
  23. 23.78 + 9 =
  24. 24.A film starts at 3:50 and ends at 4:35. How many minutes long is the film?
  25. 25.16 + 18 =
  26. 26.102 − 95 =
  27. 27.755 + 99 =
  28. 28.511 ÷ 7 =
  29. 29.Best estimate of 457 + 343? (a) 800 (b) 1000 (c) 600
  30. 30.28 × 8 =
  31. 31.A cricket match starts at 1:05 and the first innings ends at 2:10. How many minutes did the innings last?
  32. 32.17² =
  33. 33.85 + 9 =
  34. 34.94 − 15 =
  35. 35.296 ÷ 8 =
  36. 36.152 ÷ 4 =
  37. 37.51 + 19 =
  38. 38.What is the remainder when 70 is divided by 8?
  39. 39.58 + 6 =
  40. 40.47 + 9 =

Answer key

  1. 45
  2. 280
  3. 63
  4. 86
  5. 484
  6. 180
  7. 71
  8. 145
  9. 118
  10. 2
  11. 48
  12. 11
  13. 72
  14. 49
  15. 128
  16. 105
  17. 26
  18. 88
  19. 32
  20. 28
  21. 48
  22. 85
  23. 87
  24. 45
  25. 34
  26. 7
  27. 854
  28. 73
  29. 800
  30. 224
  31. 65
  32. 289
  33. 94
  34. 79
  35. 37
  36. 38
  37. 70
  38. 6
  39. 64
  40. 56

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