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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 609 · 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.Which is the greatest: 0.31, 0.3, 0.297, 0.037? (a) 0.31 (b) 0.3 (c) 0.297 (d) 0.037
  2. 2.What is the value of the digit 6 in 62.174? (a) 0.6 (b) 0.06 (c) 6 (d) 60
  3. 3.Which is the greatest: 0.028, 0.2, 0.22, 0.155? (a) 0.028 (b) 0.2 (c) 0.22 (d) 0.155
  4. 4.What is the value of the digit 4 in 71.942? (a) 0.004 (b) 0.04 (c) 4 (d) 0.4
  5. 5.2.48 + 7.7 = ? (a) 3.25 (b) 10.18 (c) 10.08 (d) 10.28
  6. 6.Which is the greatest: 0.172, 0.25, 0.037, 0.2? (a) 0.172 (b) 0.25 (c) 0.037 (d) 0.2
  7. 7.What is the value of the digit 7 in 26.475? (a) 0.7 (b) 7 (c) 0.07 (d) 0.007
  8. 8.Which is the smallest: 0.6, 0.61, 0.573, 0.012? (a) 0.6 (b) 0.61 (c) 0.573 (d) 0.012
  9. 9.Which is the greatest: 0.222, 0.31, 0.3, 0.085? (a) 0.222 (b) 0.31 (c) 0.3 (d) 0.085
  10. 10.What is the value of the digit 3 in 53.642? (a) 3 (b) 30 (c) 0.03 (d) 0.3
  11. 11.What is the value of the digit 7 in 94.287? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  12. 12.Which is the greatest: 0.2, 0.031, 0.135, 0.27? (a) 0.2 (b) 0.031 (c) 0.135 (d) 0.27
  13. 13.What is the value of the digit 5 in 81.594? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  14. 14.1.03 + 5.1 = ? (a) 6.23 (b) 1.54 (c) 6.13 (d) 6.03
  15. 15.1.85 + 6.9 = ? (a) 2.54 (b) 8.65 (c) 8.85 (d) 8.75
  16. 16.7.34 + 6.7 = ? (a) 14.04 (b) 8.01 (c) 13.94 (d) 14.14
  17. 17.Which is the greatest: 0.085, 0.7, 0.77, 0.612? (a) 0.085 (b) 0.7 (c) 0.77 (d) 0.612
  18. 18.Which is the smallest: 0.4, 0.44, 0.021, 0.388? (a) 0.4 (b) 0.44 (c) 0.021 (d) 0.388
  19. 19.5.19 + 9.8 = ? (a) 15.09 (b) 14.99 (c) 6.17 (d) 14.89
  20. 20.What is the value of the digit 5 in 17.385? (a) 0.5 (b) 5 (c) 0.05 (d) 0.005
  21. 21.5.56 + 1.6 = ? (a) 7.26 (b) 7.06 (c) 7.16 (d) 5.72
  22. 22.What is the value of the digit 9 in 47.591? (a) 0.009 (b) 0.09 (c) 0.9 (d) 9
  23. 23.9.05 + 6.8 = ? (a) 15.85 (b) 15.95 (c) 9.73 (d) 15.75
  24. 24.What is the value of the digit 1 in 49.215? (a) 0.001 (b) 0.01 (c) 0.1 (d) 1
  25. 25.9.04 + 9.6 = ? (a) 18.74 (b) 18.64 (c) 18.54 (d) 10
  26. 26.Which is the greatest: 0.034, 0.6, 0.69, 0.541? (a) 0.034 (b) 0.6 (c) 0.69 (d) 0.541
  27. 27.6.13 + 7.1 = ? (a) 13.13 (b) 13.33 (c) 6.84 (d) 13.23
  28. 28.Which is the greatest: 0.258, 0.037, 0.39, 0.3? (a) 0.258 (b) 0.037 (c) 0.39 (d) 0.3
  29. 29.What is the value of the digit 4 in 42.391? (a) 0.04 (b) 40 (c) 4 (d) 0.4
  30. 30.8.27 + 3.5 = ? (a) 11.77 (b) 8.62 (c) 11.67 (d) 11.87
  31. 31.Which is the greatest: 0.282, 0.3, 0.032, 0.38? (a) 0.282 (b) 0.3 (c) 0.032 (d) 0.38
  32. 32.What is the value of the digit 3 in 98.536? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003
  33. 33.3.98 + 9.8 = ? (a) 13.88 (b) 13.78 (c) 13.68 (d) 4.96
  34. 34.What is the value of the digit 5 in 57.416? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  35. 35.4.77 + 3.9 = ? (a) 8.77 (b) 8.57 (c) 8.67 (d) 5.16
  36. 36.2.55 + 7.4 = ? (a) 10.05 (b) 9.85 (c) 3.29 (d) 9.95
  37. 37.Which is the smallest: 0.089, 0.7, 0.71, 0.693? (a) 0.089 (b) 0.7 (c) 0.71 (d) 0.693
  38. 38.7.29 + 6.8 = ? (a) 14.19 (b) 7.97 (c) 13.99 (d) 14.09
  39. 39.4.41 + 3.4 = ? (a) 7.71 (b) 7.91 (c) 7.81 (d) 4.75
  40. 40.5.22 + 8.1 = ? (a) 6.03 (b) 13.22 (c) 13.32 (d) 13.42

Answer key

  1. 0.31
  2. 60
  3. 0.22
  4. 0.04
  5. 10.18
  6. 0.25
  7. 0.07
  8. 0.012
  9. 0.31
  10. 3
  11. 0.007
  12. 0.27
  13. 0.5
  14. 6.13
  15. 8.75
  16. 14.04
  17. 0.77
  18. 0.021
  19. 14.99
  20. 0.005
  21. 7.16
  22. 0.09
  23. 15.85
  24. 0.01
  25. 18.64
  26. 0.69
  27. 13.23
  28. 0.39
  29. 40
  30. 11.77
  31. 0.38
  32. 0.03
  33. 13.78
  34. 50
  35. 8.67
  36. 9.95
  37. 0.089
  38. 14.09
  39. 7.81
  40. 13.32

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