← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 935 · 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. 1.52 children stand in rows of 8. How many full rows can they make?
  2. 2.17 + 6 =
  3. 3.You buy a storybook for ₹462 and pay with a ₹500 note. How much change do you get, in rupees?
  4. 4.95 − 78 =
  5. 5.What is the remainder when 32 is divided by 3?
  6. 6.50 children stand in rows of 7. How many full rows can they make?
  7. 7.25% of ₹140 =
  8. 8.Best estimate of 26 × 74? (a) 21000 (b) 2100 (c) 210
  9. 9.78 + 7 =
  10. 10.9 + 11 =
  11. 11.26 + 39 =
  12. 12.55 − 29 =
  13. 13.272 ÷ 8 =
  14. 14.73 + 32 =
  15. 15.25 + 24 =
  16. 16.41 + 19 =
  17. 17.You buy a storybook for ₹75 and pay with a ₹100 note. How much change do you get, in rupees?
  18. 18.You start your homework at 2:30 and finish at 5:10. How many minutes did you work?
  19. 19.61 + 57 =
  20. 20.Best estimate of 158 + 124? (a) 300 (b) 100 (c) 500
  21. 21.A cricket match starts at 4:00 and the first innings ends at 6:25. How many minutes did the innings last?
  22. 22.62 − 48 =
  23. 23.You buy a box of crayons for ₹136 and pay with a ₹500 note. How much change do you get, in rupees?
  24. 24.168 ÷ 8 =
  25. 25.9 + 8 =
  26. 26.84 ÷ 6 =
  27. 27.10% of ₹790 =
  28. 28.20 × 4 =
  29. 29.You buy a notebook for ₹97 and pay with a ₹100 note. How much change do you get, in rupees?
  30. 30.65 − 35 =
  31. 31.14² =
  32. 32.You buy a storybook for ₹17 and a pen for ₹25. You pay with a ₹100 note. How much change do you get, in rupees?
  33. 33.Double 38 =
  34. 34.You buy a notebook for ₹34 and a pen for ₹45. You pay with a ₹100 note. How much change do you get, in rupees?
  35. 35.96 ÷ 8 =
  36. 36.464 + 99 =
  37. 37.7 + 6 =
  38. 38.35 + 19 =
  39. 39.549 ÷ 9 =
  40. 40.45 + 88 =

Answer key

  1. 6
  2. 23
  3. 38
  4. 17
  5. 2
  6. 7
  7. 35
  8. 2100
  9. 85
  10. 20
  11. 65
  12. 26
  13. 34
  14. 105
  15. 49
  16. 60
  17. 25
  18. 160
  19. 118
  20. 300
  21. 145
  22. 14
  23. 364
  24. 21
  25. 17
  26. 14
  27. 79
  28. 80
  29. 3
  30. 30
  31. 196
  32. 58
  33. 76
  34. 21
  35. 12
  36. 563
  37. 13
  38. 54
  39. 61
  40. 133

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