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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 134 · 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.Which is the smallest: 0.037, 0.219, 0.3, 0.34? (a) 0.037 (b) 0.219 (c) 0.3 (d) 0.34
  2. 2.What is the value of the digit 9 in 79.182? (a) 90 (b) 0.9 (c) 0.09 (d) 9
  3. 3.What is the value of the digit 1 in 69.218? (a) 0.001 (b) 0.1 (c) 0.01 (d) 1
  4. 4.What is the value of the digit 6 in 57.269? (a) 6 (b) 0.006 (c) 0.06 (d) 0.6
  5. 5.8.93 + 7.8 = ? (a) 9.71 (b) 16.73 (c) 16.63 (d) 16.83
  6. 6.Which is the smallest: 0.548, 0.6, 0.62, 0.065? (a) 0.548 (b) 0.6 (c) 0.62 (d) 0.065
  7. 7.What is the value of the digit 7 in 24.375? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  8. 8.4.33 + 3.6 = ? (a) 7.93 (b) 8.03 (c) 7.83 (d) 4.69
  9. 9.8.11 + 1.1 = ? (a) 9.21 (b) 9.31 (c) 8.22 (d) 9.11
  10. 10.3.17 + 3.1 = ? (a) 3.48 (b) 6.17 (c) 6.27 (d) 6.37
  11. 11.Which is the greatest: 0.574, 0.69, 0.035, 0.6? (a) 0.574 (b) 0.69 (c) 0.035 (d) 0.6
  12. 12.What is the value of the digit 3 in 49.713? (a) 0.3 (b) 3 (c) 0.003 (d) 0.03
  13. 13.7.71 + 8.4 = ? (a) 16.11 (b) 16.21 (c) 8.55 (d) 16.01
  14. 14.What is the value of the digit 8 in 73.128? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  15. 15.Which is the smallest: 0.572, 0.6, 0.094, 0.67? (a) 0.572 (b) 0.6 (c) 0.094 (d) 0.67
  16. 16.4.98 + 4.9 = ? (a) 5.47 (b) 9.78 (c) 9.88 (d) 9.98
  17. 17.4.91 + 2.2 = ? (a) 5.13 (b) 7.21 (c) 7.11 (d) 7.01
  18. 18.4.78 + 9.3 = ? (a) 14.08 (b) 5.71 (c) 14.18 (d) 13.98
  19. 19.Which is the greatest: 0.3, 0.218, 0.029, 0.37? (a) 0.3 (b) 0.218 (c) 0.029 (d) 0.37
  20. 20.9.41 + 2.8 = ? (a) 12.31 (b) 9.69 (c) 12.11 (d) 12.21
  21. 21.3.88 + 1.5 = ? (a) 5.38 (b) 5.28 (c) 5.48 (d) 4.03
  22. 22.7.79 + 8.8 = ? (a) 16.49 (b) 16.69 (c) 16.59 (d) 8.67
  23. 23.2.73 + 7.1 = ? (a) 3.44 (b) 9.93 (c) 9.83 (d) 9.73
  24. 24.1.55 + 2.1 = ? (a) 1.76 (b) 3.75 (c) 3.55 (d) 3.65
  25. 25.What is the value of the digit 6 in 63.128? (a) 60 (b) 0.6 (c) 6 (d) 0.06
  26. 26.What is the value of the digit 5 in 27.653? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  27. 27.Which is the smallest: 0.46, 0.099, 0.4, 0.338? (a) 0.46 (b) 0.099 (c) 0.4 (d) 0.338
  28. 28.Which is the greatest: 0.728, 0.072, 0.81, 0.8? (a) 0.728 (b) 0.072 (c) 0.81 (d) 0.8
  29. 29.8.37 + 2.7 = ? (a) 11.17 (b) 10.97 (c) 8.64 (d) 11.07
  30. 30.2.61 + 6.3 = ? (a) 9.01 (b) 8.91 (c) 3.24 (d) 8.81
  31. 31.What is the value of the digit 3 in 95.243? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003
  32. 32.1.12 + 8.6 = ? (a) 1.98 (b) 9.72 (c) 9.82 (d) 9.62
  33. 33.2.34 + 1.1 = ? (a) 2.45 (b) 3.44 (c) 3.54 (d) 3.34
  34. 34.Which is the smallest: 0.3, 0.37, 0.244, 0.072? (a) 0.3 (b) 0.37 (c) 0.244 (d) 0.072
  35. 35.Which is the smallest: 0.591, 0.61, 0.6, 0.071? (a) 0.591 (b) 0.61 (c) 0.6 (d) 0.071
  36. 36.5.82 + 4.1 = ? (a) 10.02 (b) 9.92 (c) 9.82 (d) 6.23
  37. 37.Which is the smallest: 0.258, 0.054, 0.31, 0.3? (a) 0.258 (b) 0.054 (c) 0.31 (d) 0.3
  38. 38.7.39 + 6.2 = ? (a) 8.01 (b) 13.69 (c) 13.59 (d) 13.49
  39. 39.Which is the smallest: 0.31, 0.017, 0.3, 0.254? (a) 0.31 (b) 0.017 (c) 0.3 (d) 0.254
  40. 40.What is the value of the digit 6 in 14.658? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6

Answer key

  1. 0.037
  2. 9
  3. 0.01
  4. 0.06
  5. 16.73
  6. 0.065
  7. 0.07
  8. 7.93
  9. 9.21
  10. 6.27
  11. 0.69
  12. 0.003
  13. 16.11
  14. 0.008
  15. 0.094
  16. 9.88
  17. 7.11
  18. 14.08
  19. 0.37
  20. 12.21
  21. 5.38
  22. 16.59
  23. 9.83
  24. 3.65
  25. 60
  26. 0.05
  27. 0.099
  28. 0.81
  29. 11.07
  30. 8.91
  31. 0.003
  32. 9.72
  33. 3.44
  34. 0.072
  35. 0.071
  36. 9.92
  37. 0.054
  38. 13.59
  39. 0.017
  40. 0.6

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