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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 426 · 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 2 in 72.148? (a) 0.02 (b) 2 (c) 0.2 (d) 20
  2. 2.What is the value of the digit 9 in 69.352? (a) 0.9 (b) 90 (c) 0.09 (d) 9
  3. 3.1.92 + 5.4 = ? (a) 7.42 (b) 7.22 (c) 7.32 (d) 2.46
  4. 4.2.72 + 3.3 = ? (a) 5.92 (b) 6.12 (c) 3.05 (d) 6.02
  5. 5.Which is the smallest: 0.47, 0.039, 0.369, 0.4? (a) 0.47 (b) 0.039 (c) 0.369 (d) 0.4
  6. 6.3.38 + 1.1 = ? (a) 4.38 (b) 4.58 (c) 4.48 (d) 3.49
  7. 7.9.42 + 4.5 = ? (a) 9.87 (b) 14.02 (c) 13.82 (d) 13.92
  8. 8.What is the value of the digit 6 in 92.346? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006
  9. 9.What is the value of the digit 1 in 38.419? (a) 0.001 (b) 0.1 (c) 1 (d) 0.01
  10. 10.What is the value of the digit 3 in 32.184? (a) 3 (b) 0.3 (c) 0.03 (d) 30
  11. 11.Which is the greatest: 0.8, 0.711, 0.072, 0.81? (a) 0.8 (b) 0.711 (c) 0.072 (d) 0.81
  12. 12.2.35 + 8.8 = ? (a) 11.25 (b) 3.23 (c) 11.05 (d) 11.15
  13. 13.What is the value of the digit 6 in 64.213? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  14. 14.Which is the greatest: 0.84, 0.8, 0.781, 0.033? (a) 0.84 (b) 0.8 (c) 0.781 (d) 0.033
  15. 15.Which is the smallest: 0.74, 0.7, 0.072, 0.622? (a) 0.74 (b) 0.7 (c) 0.072 (d) 0.622
  16. 16.3.82 + 5.6 = ? (a) 9.32 (b) 4.38 (c) 9.52 (d) 9.42
  17. 17.What is the value of the digit 4 in 84.132? (a) 0.04 (b) 4 (c) 0.4 (d) 40
  18. 18.Which is the greatest: 0.078, 0.47, 0.345, 0.4? (a) 0.078 (b) 0.47 (c) 0.345 (d) 0.4
  19. 19.3.14 + 9.1 = ? (a) 4.05 (b) 12.14 (c) 12.34 (d) 12.24
  20. 20.6.21 + 8.9 = ? (a) 15.01 (b) 15.21 (c) 15.11 (d) 7.1
  21. 21.What is the value of the digit 4 in 76.245? (a) 4 (b) 0.4 (c) 0.04 (d) 0.004
  22. 22.Which is the greatest: 0.015, 0.464, 0.59, 0.5? (a) 0.015 (b) 0.464 (c) 0.59 (d) 0.5
  23. 23.Which is the greatest: 0.81, 0.8, 0.732, 0.095? (a) 0.81 (b) 0.8 (c) 0.732 (d) 0.095
  24. 24.Which is the smallest: 0.095, 0.31, 0.293, 0.3? (a) 0.095 (b) 0.31 (c) 0.293 (d) 0.3
  25. 25.Which is the smallest: 0.32, 0.017, 0.3, 0.264? (a) 0.32 (b) 0.017 (c) 0.3 (d) 0.264
  26. 26.5.22 + 9.3 = ? (a) 6.15 (b) 14.62 (c) 14.42 (d) 14.52
  27. 27.What is the value of the digit 9 in 54.893? (a) 9 (b) 0.009 (c) 0.9 (d) 0.09
  28. 28.6.32 + 4.5 = ? (a) 6.77 (b) 10.92 (c) 10.82 (d) 10.72
  29. 29.What is the value of the digit 5 in 78.543? (a) 0.005 (b) 0.05 (c) 0.5 (d) 5
  30. 30.Which is the greatest: 0.31, 0.089, 0.3, 0.234? (a) 0.31 (b) 0.089 (c) 0.3 (d) 0.234
  31. 31.2.81 + 3.1 = ? (a) 5.91 (b) 3.12 (c) 5.81 (d) 6.01
  32. 32.1.41 + 1.7 = ? (a) 3.11 (b) 3.01 (c) 1.58 (d) 3.21
  33. 33.3.01 + 9.9 = ? (a) 12.81 (b) 12.91 (c) 4 (d) 13.01
  34. 34.Which is the greatest: 0.2, 0.21, 0.019, 0.117? (a) 0.2 (b) 0.21 (c) 0.019 (d) 0.117
  35. 35.7.68 + 6.3 = ? (a) 13.88 (b) 13.98 (c) 8.31 (d) 14.08
  36. 36.What is the value of the digit 8 in 57.328? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  37. 37.Which is the smallest: 0.3, 0.084, 0.281, 0.32? (a) 0.3 (b) 0.084 (c) 0.281 (d) 0.32
  38. 38.What is the value of the digit 1 in 64.713? (a) 0.001 (b) 0.1 (c) 0.01 (d) 1
  39. 39.What is the value of the digit 2 in 15.462? (a) 0.02 (b) 0.002 (c) 2 (d) 0.2
  40. 40.8.21 + 8.3 = ? (a) 16.61 (b) 9.04 (c) 16.41 (d) 16.51

Answer key

  1. 2
  2. 9
  3. 7.32
  4. 6.02
  5. 0.039
  6. 4.48
  7. 13.92
  8. 0.006
  9. 0.01
  10. 30
  11. 0.81
  12. 11.15
  13. 60
  14. 0.84
  15. 0.072
  16. 9.42
  17. 4
  18. 0.47
  19. 12.24
  20. 15.11
  21. 0.04
  22. 0.59
  23. 0.81
  24. 0.095
  25. 0.017
  26. 14.52
  27. 0.09
  28. 10.82
  29. 0.5
  30. 0.31
  31. 5.91
  32. 3.11
  33. 12.91
  34. 0.21
  35. 13.98
  36. 0.008
  37. 0.084
  38. 0.01
  39. 0.002
  40. 16.51

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