← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 614 · 40 questions
TalentJR

How to solve it (Same number of places): Add zeros at the end so every decimal has the same number of places (0.5 = 0.500). Compare or add them like whole numbers, keeping the decimal points in a line. Place value after the point: tenths (0.1), hundredths (0.01), thousandths (0.001).

NameDateTime takenScore ___ / 40
  1. 1.1.91 + 2.8 = ? (a) 4.81 (b) 4.61 (c) 4.71 (d) 2.19
  2. 2.1.51 + 5.7 = ? (a) 7.11 (b) 7.21 (c) 7.31 (d) 2.08
  3. 3.9.28 + 5.3 = ? (a) 14.48 (b) 14.58 (c) 9.81 (d) 14.68
  4. 4.What is the value of the digit 6 in 87.169? (a) 0.06 (b) 0.006 (c) 0.6 (d) 6
  5. 5.1.42 + 2.3 = ? (a) 3.62 (b) 3.82 (c) 1.65 (d) 3.72
  6. 6.What is the value of the digit 4 in 28.456? (a) 4 (b) 0.004 (c) 0.04 (d) 0.4
  7. 7.What is the value of the digit 9 in 69.814? (a) 0.09 (b) 0.9 (c) 9 (d) 90
  8. 8.7.06 + 5.9 = ? (a) 7.65 (b) 12.96 (c) 12.86 (d) 13.06
  9. 9.What is the value of the digit 5 in 23.584? (a) 0.05 (b) 5 (c) 0.005 (d) 0.5
  10. 10.1.58 + 9.6 = ? (a) 11.18 (b) 11.08 (c) 11.28 (d) 2.54
  11. 11.7.41 + 1.6 = ? (a) 7.57 (b) 9.11 (c) 9.01 (d) 8.91
  12. 12.Which is the greatest: 0.3, 0.291, 0.055, 0.31? (a) 0.3 (b) 0.291 (c) 0.055 (d) 0.31
  13. 13.What is the value of the digit 3 in 32.478? (a) 0.03 (b) 30 (c) 0.3 (d) 3
  14. 14.What is the value of the digit 3 in 36.872? (a) 0.3 (b) 0.03 (c) 30 (d) 3
  15. 15.1.26 + 3.4 = ? (a) 1.6 (b) 4.76 (c) 4.56 (d) 4.66
  16. 16.3.19 + 3.9 = ? (a) 6.99 (b) 7.09 (c) 7.19 (d) 3.58
  17. 17.What is the value of the digit 6 in 92.861? (a) 0.6 (b) 6 (c) 0.06 (d) 0.006
  18. 18.7.05 + 8.8 = ? (a) 15.95 (b) 15.85 (c) 7.93 (d) 15.75
  19. 19.3.51 + 8.3 = ? (a) 11.81 (b) 11.91 (c) 11.71 (d) 4.34
  20. 20.9.27 + 5.1 = ? (a) 14.27 (b) 14.47 (c) 14.37 (d) 9.78
  21. 21.3.59 + 7.4 = ? (a) 4.33 (b) 11.09 (c) 10.89 (d) 10.99
  22. 22.8.32 + 8.1 = ? (a) 16.32 (b) 16.42 (c) 9.13 (d) 16.52
  23. 23.7.54 + 9.2 = ? (a) 16.84 (b) 8.46 (c) 16.74 (d) 16.64
  24. 24.Which is the smallest: 0.017, 0.372, 0.42, 0.4? (a) 0.017 (b) 0.372 (c) 0.42 (d) 0.4
  25. 25.Which is the greatest: 0.73, 0.671, 0.016, 0.7? (a) 0.73 (b) 0.671 (c) 0.016 (d) 0.7
  26. 26.What is the value of the digit 2 in 23.659? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  27. 27.9.04 + 9.2 = ? (a) 9.96 (b) 18.24 (c) 18.14 (d) 18.34
  28. 28.4.12 + 3.4 = ? (a) 4.46 (b) 7.62 (c) 7.42 (d) 7.52
  29. 29.What is the value of the digit 4 in 46.973? (a) 0.04 (b) 0.4 (c) 4 (d) 40
  30. 30.5.73 + 9.1 = ? (a) 14.93 (b) 6.64 (c) 14.73 (d) 14.83
  31. 31.What is the value of the digit 9 in 64.591? (a) 0.9 (b) 9 (c) 0.009 (d) 0.09
  32. 32.Which is the greatest: 0.77, 0.7, 0.623, 0.037? (a) 0.77 (b) 0.7 (c) 0.623 (d) 0.037
  33. 33.9.82 + 3.1 = ? (a) 12.82 (b) 10.13 (c) 12.92 (d) 13.02
  34. 34.What is the value of the digit 7 in 83.927? (a) 0.07 (b) 0.7 (c) 0.007 (d) 7
  35. 35.What is the value of the digit 4 in 57.984? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  36. 36.8.33 + 2.5 = ? (a) 10.73 (b) 8.58 (c) 10.83 (d) 10.93
  37. 37.Which is the greatest: 0.093, 0.8, 0.82, 0.796? (a) 0.093 (b) 0.8 (c) 0.82 (d) 0.796
  38. 38.2.71 + 2.1 = ? (a) 2.92 (b) 4.91 (c) 4.71 (d) 4.81
  39. 39.What is the value of the digit 6 in 62.584? (a) 60 (b) 0.06 (c) 6 (d) 0.6
  40. 40.Which is the smallest: 0.592, 0.6, 0.085, 0.67? (a) 0.592 (b) 0.6 (c) 0.085 (d) 0.67

Answer key

  1. 4.71
  2. 7.21
  3. 14.58
  4. 0.06
  5. 3.72
  6. 0.4
  7. 9
  8. 12.96
  9. 0.5
  10. 11.18
  11. 9.01
  12. 0.31
  13. 30
  14. 30
  15. 4.66
  16. 7.09
  17. 0.06
  18. 15.85
  19. 11.81
  20. 14.37
  21. 10.99
  22. 16.42
  23. 16.74
  24. 0.017
  25. 0.73
  26. 20
  27. 18.24
  28. 7.52
  29. 40
  30. 14.83
  31. 0.09
  32. 0.77
  33. 12.92
  34. 0.007
  35. 0.004
  36. 10.83
  37. 0.82
  38. 4.81
  39. 60
  40. 0.085

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