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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 959 · 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 6 in 65.827? (a) 60 (b) 0.06 (c) 6 (d) 0.6
  2. 2.Which is the greatest: 0.67, 0.6, 0.598, 0.016? (a) 0.67 (b) 0.6 (c) 0.598 (d) 0.016
  3. 3.6.12 + 5.3 = ? (a) 11.52 (b) 11.32 (c) 6.65 (d) 11.42
  4. 4.What is the value of the digit 9 in 28.419? (a) 9 (b) 0.09 (c) 0.9 (d) 0.009
  5. 5.3.95 + 1.7 = ? (a) 4.12 (b) 5.65 (c) 5.75 (d) 5.55
  6. 6.Which is the greatest: 0.8, 0.89, 0.088, 0.715? (a) 0.8 (b) 0.89 (c) 0.088 (d) 0.715
  7. 7.9.94 + 2.6 = ? (a) 10.2 (b) 12.54 (c) 12.64 (d) 12.44
  8. 8.What is the value of the digit 5 in 39.572? (a) 0.05 (b) 0.005 (c) 0.5 (d) 5
  9. 9.3.39 + 1.1 = ? (a) 4.59 (b) 4.39 (c) 4.49 (d) 3.5
  10. 10.What is the value of the digit 2 in 42.571? (a) 0.02 (b) 20 (c) 0.2 (d) 2
  11. 11.What is the value of the digit 4 in 67.943? (a) 4 (b) 0.04 (c) 0.004 (d) 0.4
  12. 12.8.62 + 9.4 = ? (a) 17.92 (b) 9.56 (c) 18.02 (d) 18.12
  13. 13.What is the value of the digit 8 in 85.374? (a) 0.8 (b) 0.08 (c) 8 (d) 80
  14. 14.1.12 + 3.7 = ? (a) 1.49 (b) 4.92 (c) 4.72 (d) 4.82
  15. 15.Which is the smallest: 0.074, 0.693, 0.7, 0.78? (a) 0.074 (b) 0.693 (c) 0.7 (d) 0.78
  16. 16.Which is the smallest: 0.069, 0.124, 0.2, 0.22? (a) 0.069 (b) 0.124 (c) 0.2 (d) 0.22
  17. 17.7.26 + 1.7 = ? (a) 9.06 (b) 7.43 (c) 8.96 (d) 8.86
  18. 18.What is the value of the digit 8 in 46.982? (a) 0.008 (b) 8 (c) 0.08 (d) 0.8
  19. 19.Which is the greatest: 0.23, 0.071, 0.177, 0.2? (a) 0.23 (b) 0.071 (c) 0.177 (d) 0.2
  20. 20.5.08 + 5.2 = ? (a) 5.6 (b) 10.38 (c) 10.28 (d) 10.18
  21. 21.1.02 + 6.8 = ? (a) 7.82 (b) 7.92 (c) 7.72 (d) 1.7
  22. 22.Which is the greatest: 0.688, 0.71, 0.7, 0.021? (a) 0.688 (b) 0.71 (c) 0.7 (d) 0.021
  23. 23.What is the value of the digit 2 in 12.695? (a) 20 (b) 0.02 (c) 2 (d) 0.2
  24. 24.7.63 + 2.1 = ? (a) 9.73 (b) 9.83 (c) 7.84 (d) 9.63
  25. 25.Which is the greatest: 0.078, 0.663, 0.7, 0.79? (a) 0.078 (b) 0.663 (c) 0.7 (d) 0.79
  26. 26.2.11 + 2.8 = ? (a) 4.91 (b) 4.81 (c) 5.01 (d) 2.39
  27. 27.Which is the smallest: 0.353, 0.4, 0.088, 0.48? (a) 0.353 (b) 0.4 (c) 0.088 (d) 0.48
  28. 28.What is the value of the digit 1 in 19.634? (a) 0.01 (b) 1 (c) 10 (d) 0.1
  29. 29.What is the value of the digit 1 in 27.186? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  30. 30.What is the value of the digit 3 in 67.318? (a) 3 (b) 0.3 (c) 0.003 (d) 0.03
  31. 31.3.11 + 4.2 = ? (a) 7.31 (b) 3.53 (c) 7.21 (d) 7.41
  32. 32.7.02 + 1.2 = ? (a) 7.14 (b) 8.22 (c) 8.12 (d) 8.32
  33. 33.Which is the greatest: 0.89, 0.792, 0.8, 0.015? (a) 0.89 (b) 0.792 (c) 0.8 (d) 0.015
  34. 34.What is the value of the digit 7 in 41.673? (a) 0.7 (b) 0.07 (c) 0.007 (d) 7
  35. 35.2.26 + 9.6 = ? (a) 11.86 (b) 11.76 (c) 11.96 (d) 3.22
  36. 36.Which is the greatest: 0.2, 0.018, 0.128, 0.21? (a) 0.2 (b) 0.018 (c) 0.128 (d) 0.21
  37. 37.What is the value of the digit 7 in 92.741? (a) 7 (b) 0.007 (c) 0.07 (d) 0.7
  38. 38.2.13 + 7.7 = ? (a) 9.93 (b) 9.73 (c) 2.9 (d) 9.83
  39. 39.What is the value of the digit 1 in 46.175? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  40. 40.6.84 + 5.8 = ? (a) 12.54 (b) 12.74 (c) 12.64 (d) 7.42

Answer key

  1. 60
  2. 0.67
  3. 11.42
  4. 0.009
  5. 5.65
  6. 0.89
  7. 12.54
  8. 0.5
  9. 4.49
  10. 2
  11. 0.04
  12. 18.02
  13. 80
  14. 4.82
  15. 0.074
  16. 0.069
  17. 8.96
  18. 0.08
  19. 0.23
  20. 10.28
  21. 7.82
  22. 0.71
  23. 2
  24. 9.73
  25. 0.79
  26. 4.91
  27. 0.088
  28. 10
  29. 0.1
  30. 0.3
  31. 7.31
  32. 8.22
  33. 0.89
  34. 0.07
  35. 11.86
  36. 0.21
  37. 0.7
  38. 9.83
  39. 0.1
  40. 12.64

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