← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 510 · 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. 1.6.83 + 1.3 = ? (a) 8.23 (b) 6.96 (c) 8.03 (d) 8.13
  2. 2.Which is the smallest: 0.82, 0.031, 0.725, 0.8? (a) 0.82 (b) 0.031 (c) 0.725 (d) 0.8
  3. 3.What is the value of the digit 8 in 65.984? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  4. 4.Which is the smallest: 0.022, 0.82, 0.779, 0.8? (a) 0.022 (b) 0.82 (c) 0.779 (d) 0.8
  5. 5.What is the value of the digit 6 in 16.378? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  6. 6.What is the value of the digit 2 in 47.328? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  7. 7.Which is the smallest: 0.77, 0.7, 0.628, 0.095? (a) 0.77 (b) 0.7 (c) 0.628 (d) 0.095
  8. 8.What is the value of the digit 5 in 52.913? (a) 0.5 (b) 5 (c) 0.05 (d) 50
  9. 9.8.26 + 8.4 = ? (a) 16.76 (b) 16.56 (c) 16.66 (d) 9.1
  10. 10.Which is the greatest: 0.82, 0.715, 0.029, 0.8? (a) 0.82 (b) 0.715 (c) 0.029 (d) 0.8
  11. 11.What is the value of the digit 8 in 28.316? (a) 0.8 (b) 0.08 (c) 80 (d) 8
  12. 12.3.84 + 5.5 = ? (a) 4.39 (b) 9.24 (c) 9.34 (d) 9.44
  13. 13.Which is the smallest: 0.011, 0.71, 0.7, 0.675? (a) 0.011 (b) 0.71 (c) 0.7 (d) 0.675
  14. 14.Which is the smallest: 0.5, 0.095, 0.52, 0.468? (a) 0.5 (b) 0.095 (c) 0.52 (d) 0.468
  15. 15.6.16 + 4.7 = ? (a) 6.63 (b) 10.86 (c) 10.96 (d) 10.76
  16. 16.Which is the greatest: 0.31, 0.3, 0.278, 0.078? (a) 0.31 (b) 0.3 (c) 0.278 (d) 0.078
  17. 17.4.46 + 6.1 = ? (a) 10.56 (b) 5.07 (c) 10.66 (d) 10.46
  18. 18.1.29 + 8.7 = ? (a) 2.16 (b) 10.09 (c) 9.99 (d) 9.89
  19. 19.What is the value of the digit 9 in 73.941? (a) 0.009 (b) 0.9 (c) 0.09 (d) 9
  20. 20.What is the value of the digit 7 in 71.986? (a) 7 (b) 0.7 (c) 70 (d) 0.07
  21. 21.What is the value of the digit 8 in 78.124? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  22. 22.What is the value of the digit 4 in 31.496? (a) 0.04 (b) 4 (c) 0.004 (d) 0.4
  23. 23.Which is the smallest: 0.156, 0.26, 0.075, 0.2? (a) 0.156 (b) 0.26 (c) 0.075 (d) 0.2
  24. 24.1.05 + 2.5 = ? (a) 1.3 (b) 3.45 (c) 3.55 (d) 3.65
  25. 25.8.82 + 5.6 = ? (a) 9.38 (b) 14.52 (c) 14.32 (d) 14.42
  26. 26.8.84 + 2.4 = ? (a) 11.14 (b) 11.34 (c) 11.24 (d) 9.08
  27. 27.Which is the smallest: 0.7, 0.72, 0.023, 0.653? (a) 0.7 (b) 0.72 (c) 0.023 (d) 0.653
  28. 28.Which is the greatest: 0.173, 0.21, 0.012, 0.2? (a) 0.173 (b) 0.21 (c) 0.012 (d) 0.2
  29. 29.3.62 + 4.3 = ? (a) 4.05 (b) 7.92 (c) 8.02 (d) 7.82
  30. 30.3.53 + 2.3 = ? (a) 5.93 (b) 3.76 (c) 5.83 (d) 5.73
  31. 31.1.44 + 8.2 = ? (a) 9.74 (b) 9.54 (c) 9.64 (d) 2.26
  32. 32.What is the value of the digit 5 in 47.518? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  33. 33.7.15 + 3.1 = ? (a) 7.46 (b) 10.25 (c) 10.15 (d) 10.35
  34. 34.What is the value of the digit 8 in 37.628? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  35. 35.8.31 + 3.7 = ? (a) 12.01 (b) 11.91 (c) 12.11 (d) 8.68
  36. 36.7.35 + 4.1 = ? (a) 7.76 (b) 11.45 (c) 11.35 (d) 11.55
  37. 37.Which is the smallest: 0.089, 0.57, 0.5, 0.489? (a) 0.089 (b) 0.57 (c) 0.5 (d) 0.489
  38. 38.Which is the smallest: 0.039, 0.55, 0.5, 0.432? (a) 0.039 (b) 0.55 (c) 0.5 (d) 0.432
  39. 39.Which is the greatest: 0.095, 0.58, 0.5, 0.412? (a) 0.095 (b) 0.58 (c) 0.5 (d) 0.412
  40. 40.Which is the greatest: 0.785, 0.021, 0.8, 0.81? (a) 0.785 (b) 0.021 (c) 0.8 (d) 0.81

Answer key

  1. 8.13
  2. 0.031
  3. 0.08
  4. 0.022
  5. 6
  6. 0.02
  7. 0.095
  8. 50
  9. 16.66
  10. 0.82
  11. 8
  12. 9.34
  13. 0.011
  14. 0.095
  15. 10.86
  16. 0.31
  17. 10.56
  18. 9.99
  19. 0.9
  20. 70
  21. 8
  22. 0.4
  23. 0.075
  24. 3.55
  25. 14.42
  26. 11.24
  27. 0.023
  28. 0.21
  29. 7.92
  30. 5.83
  31. 9.64
  32. 0.5
  33. 10.25
  34. 0.008
  35. 12.01
  36. 11.45
  37. 0.089
  38. 0.039
  39. 0.58
  40. 0.81

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