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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 859 · 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 3 in 13.742? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  2. 2.Which is the smallest: 0.582, 0.66, 0.021, 0.6? (a) 0.582 (b) 0.66 (c) 0.021 (d) 0.6
  3. 3.Which is the smallest: 0.2, 0.091, 0.29, 0.123? (a) 0.2 (b) 0.091 (c) 0.29 (d) 0.123
  4. 4.Which is the greatest: 0.33, 0.238, 0.3, 0.017? (a) 0.33 (b) 0.238 (c) 0.3 (d) 0.017
  5. 5.Which is the greatest: 0.065, 0.2, 0.28, 0.193? (a) 0.065 (b) 0.2 (c) 0.28 (d) 0.193
  6. 6.What is the value of the digit 4 in 53.471? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  7. 7.Which is the greatest: 0.7, 0.079, 0.76, 0.688? (a) 0.7 (b) 0.079 (c) 0.76 (d) 0.688
  8. 8.What is the value of the digit 5 in 25.143? (a) 5 (b) 0.05 (c) 0.5 (d) 50
  9. 9.What is the value of the digit 4 in 42.176? (a) 40 (b) 4 (c) 0.04 (d) 0.4
  10. 10.What is the value of the digit 5 in 51.279? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  11. 11.9.53 + 9.7 = ? (a) 10.5 (b) 19.23 (c) 19.33 (d) 19.13
  12. 12.What is the value of the digit 2 in 63.872? (a) 0.2 (b) 0.02 (c) 0.002 (d) 2
  13. 13.What is the value of the digit 2 in 51.826? (a) 0.2 (b) 0.002 (c) 2 (d) 0.02
  14. 14.Which is the smallest: 0.2, 0.27, 0.134, 0.064? (a) 0.2 (b) 0.27 (c) 0.134 (d) 0.064
  15. 15.Which is the smallest: 0.68, 0.6, 0.586, 0.012? (a) 0.68 (b) 0.6 (c) 0.586 (d) 0.012
  16. 16.8.26 + 1.7 = ? (a) 8.43 (b) 9.86 (c) 10.06 (d) 9.96
  17. 17.What is the value of the digit 6 in 51.362? (a) 0.06 (b) 6 (c) 0.6 (d) 0.006
  18. 18.6.35 + 2.6 = ? (a) 8.85 (b) 6.61 (c) 8.95 (d) 9.05
  19. 19.5.12 + 3.8 = ? (a) 5.5 (b) 8.92 (c) 9.02 (d) 8.82
  20. 20.What is the value of the digit 3 in 38.174? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  21. 21.What is the value of the digit 1 in 18.397? (a) 1 (b) 0.1 (c) 10 (d) 0.01
  22. 22.Which is the smallest: 0.87, 0.8, 0.066, 0.716? (a) 0.87 (b) 0.8 (c) 0.066 (d) 0.716
  23. 23.2.31 + 2.8 = ? (a) 2.59 (b) 5.21 (c) 5.01 (d) 5.11
  24. 24.What is the value of the digit 9 in 58.961? (a) 0.09 (b) 0.9 (c) 0.009 (d) 9
  25. 25.Which is the smallest: 0.2, 0.27, 0.157, 0.089? (a) 0.2 (b) 0.27 (c) 0.157 (d) 0.089
  26. 26.What is the value of the digit 2 in 54.912? (a) 2 (b) 0.002 (c) 0.02 (d) 0.2
  27. 27.2.41 + 1.9 = ? (a) 4.21 (b) 4.41 (c) 4.31 (d) 2.6
  28. 28.Which is the greatest: 0.059, 0.76, 0.7, 0.619? (a) 0.059 (b) 0.76 (c) 0.7 (d) 0.619
  29. 29.What is the value of the digit 1 in 12.973? (a) 0.01 (b) 1 (c) 10 (d) 0.1
  30. 30.1.69 + 3.1 = ? (a) 4.89 (b) 4.79 (c) 4.69 (d) 2
  31. 31.Which is the greatest: 0.672, 0.044, 0.78, 0.7? (a) 0.672 (b) 0.044 (c) 0.78 (d) 0.7
  32. 32.7.13 + 7.7 = ? (a) 7.9 (b) 14.93 (c) 14.73 (d) 14.83
  33. 33.What is the value of the digit 6 in 61.423? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  34. 34.5.58 + 4.7 = ? (a) 10.18 (b) 6.05 (c) 10.38 (d) 10.28
  35. 35.Which is the greatest: 0.149, 0.079, 0.27, 0.2? (a) 0.149 (b) 0.079 (c) 0.27 (d) 0.2
  36. 36.7.82 + 7.2 = ? (a) 15.12 (b) 8.54 (c) 14.92 (d) 15.02
  37. 37.Which is the greatest: 0.7, 0.78, 0.621, 0.049? (a) 0.7 (b) 0.78 (c) 0.621 (d) 0.049
  38. 38.Which is the greatest: 0.364, 0.4, 0.041, 0.43? (a) 0.364 (b) 0.4 (c) 0.041 (d) 0.43
  39. 39.What is the value of the digit 6 in 59.642? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  40. 40.Which is the greatest: 0.5, 0.455, 0.039, 0.56? (a) 0.5 (b) 0.455 (c) 0.039 (d) 0.56

Answer key

  1. 3
  2. 0.021
  3. 0.091
  4. 0.33
  5. 0.28
  6. 0.4
  7. 0.76
  8. 5
  9. 40
  10. 50
  11. 19.23
  12. 0.002
  13. 0.02
  14. 0.064
  15. 0.012
  16. 9.96
  17. 0.06
  18. 8.95
  19. 8.92
  20. 30
  21. 10
  22. 0.066
  23. 5.11
  24. 0.9
  25. 0.089
  26. 0.002
  27. 4.31
  28. 0.76
  29. 10
  30. 4.79
  31. 0.78
  32. 14.83
  33. 60
  34. 10.28
  35. 0.27
  36. 15.02
  37. 0.78
  38. 0.43
  39. 0.6
  40. 0.56

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