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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 688 · 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 38.752? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  2. 2.What is the value of the digit 2 in 25.134? (a) 2 (b) 20 (c) 0.02 (d) 0.2
  3. 3.9.19 + 1.8 = ? (a) 9.37 (b) 10.99 (c) 10.89 (d) 11.09
  4. 4.1.69 + 2.1 = ? (a) 3.79 (b) 3.69 (c) 3.89 (d) 1.9
  5. 5.What is the value of the digit 5 in 53.867? (a) 0.05 (b) 5 (c) 0.5 (d) 50
  6. 6.9.01 + 2.9 = ? (a) 11.81 (b) 11.91 (c) 12.01 (d) 9.3
  7. 7.7.68 + 4.4 = ? (a) 12.18 (b) 8.12 (c) 12.08 (d) 11.98
  8. 8.6.99 + 4.2 = ? (a) 11.19 (b) 11.09 (c) 7.41 (d) 11.29
  9. 9.What is the value of the digit 9 in 82.139? (a) 0.9 (b) 0.009 (c) 0.09 (d) 9
  10. 10.Which is the greatest: 0.048, 0.595, 0.6, 0.62? (a) 0.048 (b) 0.595 (c) 0.6 (d) 0.62
  11. 11.What is the value of the digit 7 in 98.137? (a) 0.07 (b) 0.007 (c) 0.7 (d) 7
  12. 12.5.88 + 3.3 = ? (a) 6.21 (b) 9.28 (c) 9.08 (d) 9.18
  13. 13.What is the value of the digit 3 in 56.374? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  14. 14.1.51 + 5.1 = ? (a) 6.61 (b) 6.51 (c) 2.02 (d) 6.71
  15. 15.What is the value of the digit 2 in 25.673? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  16. 16.8.56 + 3.5 = ? (a) 12.06 (b) 8.91 (c) 12.16 (d) 11.96
  17. 17.Which is the smallest: 0.124, 0.24, 0.2, 0.013? (a) 0.124 (b) 0.24 (c) 0.2 (d) 0.013
  18. 18.Which is the greatest: 0.349, 0.45, 0.022, 0.4? (a) 0.349 (b) 0.45 (c) 0.022 (d) 0.4
  19. 19.1.63 + 5.2 = ? (a) 6.73 (b) 2.15 (c) 6.83 (d) 6.93
  20. 20.1.45 + 2.5 = ? (a) 4.05 (b) 3.85 (c) 1.7 (d) 3.95
  21. 21.6.54 + 1.5 = ? (a) 6.69 (b) 8.14 (c) 8.04 (d) 7.94
  22. 22.What is the value of the digit 7 in 76.982? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  23. 23.Which is the smallest: 0.046, 0.435, 0.58, 0.5? (a) 0.046 (b) 0.435 (c) 0.58 (d) 0.5
  24. 24.What is the value of the digit 5 in 72.135? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  25. 25.Which is the smallest: 0.562, 0.67, 0.076, 0.6? (a) 0.562 (b) 0.67 (c) 0.076 (d) 0.6
  26. 26.What is the value of the digit 9 in 17.692? (a) 0.09 (b) 0.9 (c) 0.009 (d) 9
  27. 27.What is the value of the digit 5 in 24.315? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  28. 28.Which is the greatest: 0.026, 0.4, 0.48, 0.366? (a) 0.026 (b) 0.4 (c) 0.48 (d) 0.366
  29. 29.What is the value of the digit 7 in 48.976? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  30. 30.1.19 + 2.6 = ? (a) 1.45 (b) 3.79 (c) 3.89 (d) 3.69
  31. 31.Which is the smallest: 0.045, 0.56, 0.473, 0.5? (a) 0.045 (b) 0.56 (c) 0.473 (d) 0.5
  32. 32.1.24 + 8.4 = ? (a) 2.08 (b) 9.64 (c) 9.54 (d) 9.74
  33. 33.What is the value of the digit 7 in 79.285? (a) 7 (b) 0.7 (c) 0.07 (d) 70
  34. 34.What is the value of the digit 6 in 34.926? (a) 6 (b) 0.06 (c) 0.6 (d) 0.006
  35. 35.Which is the greatest: 0.221, 0.39, 0.029, 0.3? (a) 0.221 (b) 0.39 (c) 0.029 (d) 0.3
  36. 36.5.41 + 8.6 = ? (a) 14.11 (b) 13.91 (c) 14.01 (d) 6.27
  37. 37.What is the value of the digit 8 in 29.684? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  38. 38.What is the value of the digit 9 in 15.289? (a) 9 (b) 0.9 (c) 0.09 (d) 0.009
  39. 39.Which is the smallest: 0.343, 0.4, 0.46, 0.031? (a) 0.343 (b) 0.4 (c) 0.46 (d) 0.031
  40. 40.What is the value of the digit 6 in 72.369? (a) 6 (b) 0.6 (c) 0.06 (d) 0.006

Answer key

  1. 0.002
  2. 20
  3. 10.99
  4. 3.79
  5. 50
  6. 11.91
  7. 12.08
  8. 11.19
  9. 0.009
  10. 0.62
  11. 0.007
  12. 9.18
  13. 0.3
  14. 6.61
  15. 20
  16. 12.06
  17. 0.013
  18. 0.45
  19. 6.83
  20. 3.95
  21. 8.04
  22. 70
  23. 0.046
  24. 0.005
  25. 0.076
  26. 0.09
  27. 0.005
  28. 0.48
  29. 0.07
  30. 3.79
  31. 0.045
  32. 9.64
  33. 70
  34. 0.006
  35. 0.39
  36. 14.01
  37. 0.08
  38. 0.009
  39. 0.031
  40. 0.06

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