← Mixed mental challenge lesson New set →

Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 550 · 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. 1.88 − 58 =
  2. 2.31 × 9 =
  3. 3.21² =
  4. 4.152 ÷ 4 =
  5. 5.125 ÷ 5 =
  6. 6.29 × 4 =
  7. 7.462 ÷ 6 =
  8. 8.15 × 4 =
  9. 9.24² =
  10. 10.A film starts at 3:45 and ends at 6:15. How many minutes long is the film?
  11. 11.232 ÷ 4 =
  12. 12.61 + ? = 100
  13. 13.1020 − 990 =
  14. 14.Best estimate of 62 × 98? (a) 60000 (b) 600 (c) 6000
  15. 15.110 − 81 =
  16. 16.63 + 64 =
  17. 17.1027 − 997 =
  18. 18.84 ÷ 4 =
  19. 19.Best estimate of 26 × 71? (a) 21000 (b) 210 (c) 2100
  20. 20.69 − 9 =
  21. 21.10 + 12 =
  22. 22.18 + 7 =
  23. 23.24 + 25 =
  24. 24.1029 − 979 =
  25. 25.50% of ₹780 =
  26. 26.79 − 67 =
  27. 27.10% of ₹410 =
  28. 28.Double 57 =
  29. 29.240 ÷ 8 =
  30. 30.189 ÷ 9 =
  31. 31.57 × 5 =
  32. 32.A film starts at 2:50 and ends at 3:25. How many minutes long is the film?
  33. 33.552 + 99 =
  34. 34.29 children stand in rows of 4. How many full rows can they make?
  35. 35.36 × 4 =
  36. 36.31 − 19 =
  37. 37.75 − 19 =
  38. 38.128 ÷ 4 =
  39. 39.104 ÷ 8 =
  40. 40.You buy a water bottle for ₹93 and pay with a ₹100 note. How much change do you get, in rupees?

Answer key

  1. 30
  2. 279
  3. 441
  4. 38
  5. 25
  6. 116
  7. 77
  8. 60
  9. 576
  10. 150
  11. 58
  12. 39
  13. 30
  14. 6000
  15. 29
  16. 127
  17. 30
  18. 21
  19. 2100
  20. 60
  21. 22
  22. 25
  23. 49
  24. 50
  25. 390
  26. 12
  27. 41
  28. 114
  29. 30
  30. 21
  31. 285
  32. 35
  33. 651
  34. 7
  35. 144
  36. 12
  37. 56
  38. 32
  39. 13
  40. 7

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