← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 72 · 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.What is the value of the digit 9 in 23.489? (a) 9 (b) 0.009 (c) 0.09 (d) 0.9
  2. 2.6.15 + 7.5 = ? (a) 13.55 (b) 13.75 (c) 6.9 (d) 13.65
  3. 3.Which is the smallest: 0.027, 0.53, 0.491, 0.5? (a) 0.027 (b) 0.53 (c) 0.491 (d) 0.5
  4. 4.Which is the smallest: 0.063, 0.56, 0.5, 0.485? (a) 0.063 (b) 0.56 (c) 0.5 (d) 0.485
  5. 5.What is the value of the digit 2 in 24.798? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  6. 6.What is the value of the digit 3 in 73.921? (a) 0.03 (b) 0.3 (c) 30 (d) 3
  7. 7.What is the value of the digit 2 in 21.734? (a) 2 (b) 0.02 (c) 20 (d) 0.2
  8. 8.1.75 + 5.2 = ? (a) 7.05 (b) 6.85 (c) 6.95 (d) 2.27
  9. 9.8.21 + 5.6 = ? (a) 13.71 (b) 13.81 (c) 8.77 (d) 13.91
  10. 10.What is the value of the digit 1 in 15.974? (a) 0.1 (b) 0.01 (c) 1 (d) 10
  11. 11.4.17 + 5.3 = ? (a) 4.7 (b) 9.57 (c) 9.37 (d) 9.47
  12. 12.6.13 + 3.5 = ? (a) 9.53 (b) 9.73 (c) 9.63 (d) 6.48
  13. 13.3.96 + 4.1 = ? (a) 8.06 (b) 4.37 (c) 7.96 (d) 8.16
  14. 14.3.63 + 9.1 = ? (a) 12.83 (b) 12.63 (c) 4.54 (d) 12.73
  15. 15.2.24 + 7.3 = ? (a) 2.97 (b) 9.44 (c) 9.64 (d) 9.54
  16. 16.What is the value of the digit 8 in 18.572? (a) 0.8 (b) 0.08 (c) 8 (d) 80
  17. 17.What is the value of the digit 4 in 94.387? (a) 0.4 (b) 40 (c) 0.04 (d) 4
  18. 18.What is the value of the digit 8 in 67.458? (a) 0.08 (b) 0.8 (c) 8 (d) 0.008
  19. 19.7.03 + 2.2 = ? (a) 9.23 (b) 7.25 (c) 9.33 (d) 9.13
  20. 20.Which is the smallest: 0.2, 0.157, 0.27, 0.044? (a) 0.2 (b) 0.157 (c) 0.27 (d) 0.044
  21. 21.What is the value of the digit 3 in 43.658? (a) 30 (b) 0.03 (c) 3 (d) 0.3
  22. 22.3.08 + 7.4 = ? (a) 3.82 (b) 10.48 (c) 10.38 (d) 10.58
  23. 23.What is the value of the digit 9 in 38.976? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  24. 24.Which is the greatest: 0.76, 0.7, 0.698, 0.043? (a) 0.76 (b) 0.7 (c) 0.698 (d) 0.043
  25. 25.Which is the greatest: 0.021, 0.54, 0.499, 0.5? (a) 0.021 (b) 0.54 (c) 0.499 (d) 0.5
  26. 26.Which is the smallest: 0.015, 0.77, 0.678, 0.7? (a) 0.015 (b) 0.77 (c) 0.678 (d) 0.7
  27. 27.8.41 + 5.7 = ? (a) 8.98 (b) 14.21 (c) 14.11 (d) 14.01
  28. 28.7.52 + 2.9 = ? (a) 10.52 (b) 10.42 (c) 10.32 (d) 7.81
  29. 29.Which is the smallest: 0.216, 0.056, 0.3, 0.33? (a) 0.216 (b) 0.056 (c) 0.3 (d) 0.33
  30. 30.2.35 + 2.7 = ? (a) 4.95 (b) 5.15 (c) 5.05 (d) 2.62
  31. 31.Which is the smallest: 0.017, 0.8, 0.87, 0.736? (a) 0.017 (b) 0.8 (c) 0.87 (d) 0.736
  32. 32.What is the value of the digit 9 in 71.489? (a) 9 (b) 0.9 (c) 0.009 (d) 0.09
  33. 33.Which is the smallest: 0.37, 0.099, 0.3, 0.286? (a) 0.37 (b) 0.099 (c) 0.3 (d) 0.286
  34. 34.Which is the greatest: 0.195, 0.071, 0.23, 0.2? (a) 0.195 (b) 0.071 (c) 0.23 (d) 0.2
  35. 35.9.73 + 8.6 = ? (a) 10.59 (b) 18.43 (c) 18.33 (d) 18.23
  36. 36.What is the value of the digit 5 in 24.538? (a) 0.05 (b) 0.005 (c) 0.5 (d) 5
  37. 37.Which is the smallest: 0.066, 0.2, 0.192, 0.28? (a) 0.066 (b) 0.2 (c) 0.192 (d) 0.28
  38. 38.Which is the greatest: 0.51, 0.454, 0.5, 0.093? (a) 0.51 (b) 0.454 (c) 0.5 (d) 0.093
  39. 39.Which is the greatest: 0.4, 0.47, 0.084, 0.375? (a) 0.4 (b) 0.47 (c) 0.084 (d) 0.375
  40. 40.3.98 + 8.1 = ? (a) 4.79 (b) 12.18 (c) 11.98 (d) 12.08

Answer key

  1. 0.009
  2. 13.65
  3. 0.027
  4. 0.063
  5. 20
  6. 3
  7. 20
  8. 6.95
  9. 13.81
  10. 10
  11. 9.47
  12. 9.63
  13. 8.06
  14. 12.73
  15. 9.54
  16. 8
  17. 4
  18. 0.008
  19. 9.23
  20. 0.044
  21. 3
  22. 10.48
  23. 0.9
  24. 0.76
  25. 0.54
  26. 0.015
  27. 14.11
  28. 10.42
  29. 0.056
  30. 5.05
  31. 0.017
  32. 0.009
  33. 0.099
  34. 0.23
  35. 18.33
  36. 0.5
  37. 0.066
  38. 0.51
  39. 0.47
  40. 12.08

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