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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 307 · 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 4 in 73.546? (a) 4 (b) 0.004 (c) 0.4 (d) 0.04
  2. 2.Which is the greatest: 0.83, 0.793, 0.061, 0.8? (a) 0.83 (b) 0.793 (c) 0.061 (d) 0.8
  3. 3.Which is the greatest: 0.58, 0.5, 0.423, 0.099? (a) 0.58 (b) 0.5 (c) 0.423 (d) 0.099
  4. 4.1.91 + 1.6 = ? (a) 3.61 (b) 3.41 (c) 3.51 (d) 2.07
  5. 5.What is the value of the digit 9 in 92.143? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  6. 6.Which is the greatest: 0.368, 0.48, 0.4, 0.062? (a) 0.368 (b) 0.48 (c) 0.4 (d) 0.062
  7. 7.3.04 + 3.1 = ? (a) 3.35 (b) 6.14 (c) 6.24 (d) 6.04
  8. 8.4.86 + 4.8 = ? (a) 9.66 (b) 9.56 (c) 5.34 (d) 9.76
  9. 9.5.19 + 7.7 = ? (a) 12.79 (b) 5.96 (c) 12.99 (d) 12.89
  10. 10.What is the value of the digit 8 in 18.549? (a) 0.8 (b) 80 (c) 8 (d) 0.08
  11. 11.Which is the smallest: 0.174, 0.22, 0.2, 0.046? (a) 0.174 (b) 0.22 (c) 0.2 (d) 0.046
  12. 12.What is the value of the digit 7 in 96.587? (a) 0.07 (b) 7 (c) 0.7 (d) 0.007
  13. 13.Which is the greatest: 0.432, 0.081, 0.5, 0.52? (a) 0.432 (b) 0.081 (c) 0.5 (d) 0.52
  14. 14.Which is the smallest: 0.145, 0.039, 0.2, 0.27? (a) 0.145 (b) 0.039 (c) 0.2 (d) 0.27
  15. 15.What is the value of the digit 2 in 42.196? (a) 2 (b) 20 (c) 0.2 (d) 0.02
  16. 16.Which is the smallest: 0.054, 0.8, 0.82, 0.784? (a) 0.054 (b) 0.8 (c) 0.82 (d) 0.784
  17. 17.7.25 + 3.9 = ? (a) 7.64 (b) 11.25 (c) 11.05 (d) 11.15
  18. 18.Which is the greatest: 0.7, 0.636, 0.72, 0.093? (a) 0.7 (b) 0.636 (c) 0.72 (d) 0.093
  19. 19.Which is the greatest: 0.55, 0.466, 0.051, 0.5? (a) 0.55 (b) 0.466 (c) 0.051 (d) 0.5
  20. 20.Which is the greatest: 0.4, 0.321, 0.47, 0.099? (a) 0.4 (b) 0.321 (c) 0.47 (d) 0.099
  21. 21.3.84 + 2.1 = ? (a) 4.05 (b) 6.04 (c) 5.94 (d) 5.84
  22. 22.Which is the greatest: 0.4, 0.48, 0.083, 0.396? (a) 0.4 (b) 0.48 (c) 0.083 (d) 0.396
  23. 23.What is the value of the digit 5 in 86.215? (a) 0.5 (b) 0.05 (c) 5 (d) 0.005
  24. 24.8.62 + 2.8 = ? (a) 11.32 (b) 11.52 (c) 11.42 (d) 8.9
  25. 25.What is the value of the digit 2 in 81.652? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  26. 26.1.12 + 2.1 = ? (a) 3.12 (b) 3.32 (c) 1.33 (d) 3.22
  27. 27.What is the value of the digit 3 in 42.537? (a) 0.3 (b) 3 (c) 0.03 (d) 0.003
  28. 28.What is the value of the digit 4 in 24.896? (a) 40 (b) 4 (c) 0.4 (d) 0.04
  29. 29.Which is the smallest: 0.47, 0.312, 0.087, 0.4? (a) 0.47 (b) 0.312 (c) 0.087 (d) 0.4
  30. 30.What is the value of the digit 9 in 96.782? (a) 9 (b) 0.9 (c) 0.09 (d) 90
  31. 31.What is the value of the digit 4 in 13.649? (a) 0.04 (b) 0.004 (c) 0.4 (d) 4
  32. 32.What is the value of the digit 8 in 15.893? (a) 0.008 (b) 8 (c) 0.08 (d) 0.8
  33. 33.Which is the greatest: 0.71, 0.632, 0.053, 0.7? (a) 0.71 (b) 0.632 (c) 0.053 (d) 0.7
  34. 34.What is the value of the digit 9 in 81.954? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  35. 35.What is the value of the digit 6 in 51.637? (a) 6 (b) 0.006 (c) 0.06 (d) 0.6
  36. 36.Which is the smallest: 0.523, 0.62, 0.6, 0.061? (a) 0.523 (b) 0.62 (c) 0.6 (d) 0.061
  37. 37.5.01 + 2.8 = ? (a) 7.81 (b) 7.71 (c) 5.29 (d) 7.91
  38. 38.4.26 + 8.2 = ? (a) 5.08 (b) 12.46 (c) 12.36 (d) 12.56
  39. 39.What is the value of the digit 1 in 21.748? (a) 10 (b) 0.1 (c) 0.01 (d) 1
  40. 40.Which is the smallest: 0.69, 0.086, 0.561, 0.6? (a) 0.69 (b) 0.086 (c) 0.561 (d) 0.6

Answer key

  1. 0.04
  2. 0.83
  3. 0.58
  4. 3.51
  5. 90
  6. 0.48
  7. 6.14
  8. 9.66
  9. 12.89
  10. 8
  11. 0.046
  12. 0.007
  13. 0.52
  14. 0.039
  15. 2
  16. 0.054
  17. 11.15
  18. 0.72
  19. 0.55
  20. 0.47
  21. 5.94
  22. 0.48
  23. 0.005
  24. 11.42
  25. 0.002
  26. 3.22
  27. 0.03
  28. 4
  29. 0.087
  30. 90
  31. 0.04
  32. 0.8
  33. 0.71
  34. 0.9
  35. 0.6
  36. 0.061
  37. 7.81
  38. 12.46
  39. 1
  40. 0.086

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