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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 589 · 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 3 in 81.935? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3
  2. 2.8.15 + 6.6 = ? (a) 14.65 (b) 14.85 (c) 14.75 (d) 8.81
  3. 3.What is the value of the digit 8 in 59.618? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  4. 4.What is the value of the digit 5 in 59.276? (a) 0.05 (b) 0.5 (c) 5 (d) 50
  5. 5.What is the value of the digit 8 in 14.863? (a) 0.008 (b) 8 (c) 0.8 (d) 0.08
  6. 6.What is the value of the digit 2 in 87.912? (a) 0.02 (b) 0.002 (c) 2 (d) 0.2
  7. 7.6.94 + 7.1 = ? (a) 13.94 (b) 14.04 (c) 14.14 (d) 7.65
  8. 8.5.94 + 1.2 = ? (a) 7.04 (b) 7.14 (c) 6.06 (d) 7.24
  9. 9.What is the value of the digit 5 in 57.892? (a) 0.05 (b) 0.5 (c) 5 (d) 50
  10. 10.Which is the smallest: 0.68, 0.058, 0.545, 0.6? (a) 0.68 (b) 0.058 (c) 0.545 (d) 0.6
  11. 11.What is the value of the digit 5 in 53.819? (a) 50 (b) 0.5 (c) 0.05 (d) 5
  12. 12.What is the value of the digit 9 in 12.639? (a) 0.09 (b) 0.9 (c) 9 (d) 0.009
  13. 13.6.71 + 5.3 = ? (a) 12.01 (b) 12.11 (c) 7.24 (d) 11.91
  14. 14.What is the value of the digit 6 in 54.367? (a) 0.06 (b) 0.6 (c) 0.006 (d) 6
  15. 15.3.44 + 2.1 = ? (a) 5.44 (b) 5.64 (c) 5.54 (d) 3.65
  16. 16.Which is the smallest: 0.4, 0.383, 0.41, 0.012? (a) 0.4 (b) 0.383 (c) 0.41 (d) 0.012
  17. 17.What is the value of the digit 3 in 16.437? (a) 3 (b) 0.003 (c) 0.03 (d) 0.3
  18. 18.9.34 + 6.9 = ? (a) 16.24 (b) 10.03 (c) 16.14 (d) 16.34
  19. 19.Which is the smallest: 0.7, 0.091, 0.653, 0.77? (a) 0.7 (b) 0.091 (c) 0.653 (d) 0.77
  20. 20.2.98 + 7.3 = ? (a) 10.18 (b) 10.28 (c) 10.38 (d) 3.71
  21. 21.Which is the greatest: 0.49, 0.399, 0.094, 0.4? (a) 0.49 (b) 0.399 (c) 0.094 (d) 0.4
  22. 22.What is the value of the digit 3 in 36.182? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  23. 23.What is the value of the digit 8 in 68.297? (a) 80 (b) 0.8 (c) 0.08 (d) 8
  24. 24.1.34 + 4.1 = ? (a) 1.75 (b) 5.44 (c) 5.34 (d) 5.54
  25. 25.What is the value of the digit 6 in 28.146? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  26. 26.What is the value of the digit 1 in 19.842? (a) 0.1 (b) 10 (c) 0.01 (d) 1
  27. 27.8.42 + 5.5 = ? (a) 8.97 (b) 14.02 (c) 13.82 (d) 13.92
  28. 28.What is the value of the digit 7 in 48.397? (a) 7 (b) 0.7 (c) 0.007 (d) 0.07
  29. 29.7.86 + 2.5 = ? (a) 10.36 (b) 10.46 (c) 8.11 (d) 10.26
  30. 30.9.86 + 7.1 = ? (a) 17.06 (b) 16.86 (c) 10.57 (d) 16.96
  31. 31.Which is the greatest: 0.066, 0.291, 0.39, 0.3? (a) 0.066 (b) 0.291 (c) 0.39 (d) 0.3
  32. 32.Which is the greatest: 0.66, 0.6, 0.567, 0.084? (a) 0.66 (b) 0.6 (c) 0.567 (d) 0.084
  33. 33.What is the value of the digit 4 in 71.452? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  34. 34.Which is the greatest: 0.036, 0.65, 0.6, 0.551? (a) 0.036 (b) 0.65 (c) 0.6 (d) 0.551
  35. 35.8.07 + 7.2 = ? (a) 8.79 (b) 15.27 (c) 15.17 (d) 15.37
  36. 36.What is the value of the digit 6 in 67.958? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  37. 37.Which is the smallest: 0.282, 0.31, 0.064, 0.3? (a) 0.282 (b) 0.31 (c) 0.064 (d) 0.3
  38. 38.2.89 + 8.5 = ? (a) 11.29 (b) 11.39 (c) 3.74 (d) 11.49
  39. 39.5.96 + 8.2 = ? (a) 6.78 (b) 14.16 (c) 14.06 (d) 14.26
  40. 40.Which is the smallest: 0.26, 0.2, 0.177, 0.081? (a) 0.26 (b) 0.2 (c) 0.177 (d) 0.081

Answer key

  1. 0.03
  2. 14.75
  3. 0.008
  4. 50
  5. 0.8
  6. 0.002
  7. 14.04
  8. 7.14
  9. 50
  10. 0.058
  11. 50
  12. 0.009
  13. 12.01
  14. 0.06
  15. 5.54
  16. 0.012
  17. 0.03
  18. 16.24
  19. 0.091
  20. 10.28
  21. 0.49
  22. 30
  23. 8
  24. 5.44
  25. 0.006
  26. 10
  27. 13.92
  28. 0.007
  29. 10.36
  30. 16.96
  31. 0.39
  32. 0.66
  33. 0.4
  34. 0.65
  35. 15.27
  36. 60
  37. 0.064
  38. 11.39
  39. 14.16
  40. 0.081

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