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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 709 · 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 5 in 56.983? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  2. 2.Which is the smallest: 0.3, 0.215, 0.056, 0.33? (a) 0.3 (b) 0.215 (c) 0.056 (d) 0.33
  3. 3.Which is the greatest: 0.83, 0.068, 0.8, 0.732? (a) 0.83 (b) 0.068 (c) 0.8 (d) 0.732
  4. 4.2.95 + 9.7 = ? (a) 12.75 (b) 12.55 (c) 12.65 (d) 3.92
  5. 5.Which is the greatest: 0.232, 0.34, 0.076, 0.3? (a) 0.232 (b) 0.34 (c) 0.076 (d) 0.3
  6. 6.What is the value of the digit 1 in 16.597? (a) 0.1 (b) 0.01 (c) 1 (d) 10
  7. 7.What is the value of the digit 1 in 25.917? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  8. 8.What is the value of the digit 8 in 34.861? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  9. 9.What is the value of the digit 5 in 56.783? (a) 0.5 (b) 50 (c) 5 (d) 0.05
  10. 10.Which is the greatest: 0.3, 0.271, 0.082, 0.33? (a) 0.3 (b) 0.271 (c) 0.082 (d) 0.33
  11. 11.2.44 + 8.8 = ? (a) 3.32 (b) 11.34 (c) 11.14 (d) 11.24
  12. 12.Which is the greatest: 0.012, 0.595, 0.63, 0.6? (a) 0.012 (b) 0.595 (c) 0.63 (d) 0.6
  13. 13.What is the value of the digit 1 in 97.361? (a) 0.001 (b) 0.1 (c) 1 (d) 0.01
  14. 14.4.39 + 5.1 = ? (a) 4.9 (b) 9.39 (c) 9.59 (d) 9.49
  15. 15.Which is the smallest: 0.786, 0.098, 0.85, 0.8? (a) 0.786 (b) 0.098 (c) 0.85 (d) 0.8
  16. 16.8.11 + 7.7 = ? (a) 15.71 (b) 15.81 (c) 15.91 (d) 8.88
  17. 17.4.23 + 3.3 = ? (a) 7.63 (b) 7.53 (c) 7.43 (d) 4.56
  18. 18.What is the value of the digit 6 in 96.138? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  19. 19.Which is the smallest: 0.027, 0.528, 0.68, 0.6? (a) 0.027 (b) 0.528 (c) 0.68 (d) 0.6
  20. 20.6.41 + 9.3 = ? (a) 15.81 (b) 15.61 (c) 7.34 (d) 15.71
  21. 21.1.84 + 8.2 = ? (a) 10.14 (b) 2.66 (c) 9.94 (d) 10.04
  22. 22.5.01 + 1.3 = ? (a) 5.14 (b) 6.31 (c) 6.41 (d) 6.21
  23. 23.4.22 + 4.6 = ? (a) 8.72 (b) 8.82 (c) 8.92 (d) 4.68
  24. 24.6.46 + 8.6 = ? (a) 7.32 (b) 15.06 (c) 15.16 (d) 14.96
  25. 25.2.96 + 2.5 = ? (a) 5.36 (b) 3.21 (c) 5.46 (d) 5.56
  26. 26.Which is the greatest: 0.044, 0.31, 0.3, 0.215? (a) 0.044 (b) 0.31 (c) 0.3 (d) 0.215
  27. 27.Which is the greatest: 0.42, 0.328, 0.4, 0.034? (a) 0.42 (b) 0.328 (c) 0.4 (d) 0.034
  28. 28.1.52 + 6.7 = ? (a) 8.32 (b) 8.22 (c) 8.12 (d) 2.19
  29. 29.Which is the greatest: 0.064, 0.3, 0.33, 0.215? (a) 0.064 (b) 0.3 (c) 0.33 (d) 0.215
  30. 30.Which is the smallest: 0.163, 0.2, 0.21, 0.084? (a) 0.163 (b) 0.2 (c) 0.21 (d) 0.084
  31. 31.5.18 + 2.1 = ? (a) 7.18 (b) 7.38 (c) 7.28 (d) 5.39
  32. 32.What is the value of the digit 9 in 62.749? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  33. 33.What is the value of the digit 7 in 72.519? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  34. 34.3.19 + 9.5 = ? (a) 12.79 (b) 4.14 (c) 12.59 (d) 12.69
  35. 35.Which is the greatest: 0.039, 0.579, 0.6, 0.68? (a) 0.039 (b) 0.579 (c) 0.6 (d) 0.68
  36. 36.What is the value of the digit 8 in 48.679? (a) 8 (b) 80 (c) 0.08 (d) 0.8
  37. 37.2.39 + 9.9 = ? (a) 3.38 (b) 12.39 (c) 12.19 (d) 12.29
  38. 38.What is the value of the digit 5 in 45.278? (a) 0.05 (b) 5 (c) 0.5 (d) 50
  39. 39.4.47 + 6.1 = ? (a) 10.67 (b) 5.08 (c) 10.47 (d) 10.57
  40. 40.Which is the greatest: 0.33, 0.094, 0.274, 0.3? (a) 0.33 (b) 0.094 (c) 0.274 (d) 0.3

Answer key

  1. 50
  2. 0.056
  3. 0.83
  4. 12.65
  5. 0.34
  6. 10
  7. 0.01
  8. 0.8
  9. 50
  10. 0.33
  11. 11.24
  12. 0.63
  13. 0.001
  14. 9.49
  15. 0.098
  16. 15.81
  17. 7.53
  18. 6
  19. 0.027
  20. 15.71
  21. 10.04
  22. 6.31
  23. 8.82
  24. 15.06
  25. 5.46
  26. 0.31
  27. 0.42
  28. 8.22
  29. 0.33
  30. 0.084
  31. 7.28
  32. 0.009
  33. 70
  34. 12.69
  35. 0.68
  36. 8
  37. 12.29
  38. 5
  39. 10.57
  40. 0.33

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