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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 705 · 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: 0.7, 0.77, 0.071, 0.662? (a) 0.7 (b) 0.77 (c) 0.071 (d) 0.662
  2. 2.Which is the greatest: 0.011, 0.579, 0.6, 0.69? (a) 0.011 (b) 0.579 (c) 0.6 (d) 0.69
  3. 3.What is the value of the digit 9 in 67.943? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009
  4. 4.What is the value of the digit 4 in 85.246? (a) 0.4 (b) 0.004 (c) 0.04 (d) 4
  5. 5.Which is the smallest: 0.86, 0.8, 0.096, 0.783? (a) 0.86 (b) 0.8 (c) 0.096 (d) 0.783
  6. 6.Which is the greatest: 0.131, 0.043, 0.25, 0.2? (a) 0.131 (b) 0.043 (c) 0.25 (d) 0.2
  7. 7.Which is the greatest: 0.338, 0.4, 0.092, 0.42? (a) 0.338 (b) 0.4 (c) 0.092 (d) 0.42
  8. 8.Which is the greatest: 0.7, 0.691, 0.72, 0.066? (a) 0.7 (b) 0.691 (c) 0.72 (d) 0.066
  9. 9.3.03 + 1.3 = ? (a) 4.23 (b) 4.43 (c) 4.33 (d) 3.16
  10. 10.Which is the smallest: 0.567, 0.6, 0.67, 0.035? (a) 0.567 (b) 0.6 (c) 0.67 (d) 0.035
  11. 11.3.01 + 9.8 = ? (a) 12.81 (b) 3.99 (c) 12.91 (d) 12.71
  12. 12.What is the value of the digit 4 in 63.457? (a) 4 (b) 0.04 (c) 0.4 (d) 0.004
  13. 13.What is the value of the digit 6 in 32.658? (a) 0.6 (b) 0.006 (c) 6 (d) 0.06
  14. 14.What is the value of the digit 1 in 93.178? (a) 1 (b) 0.001 (c) 0.1 (d) 0.01
  15. 15.Which is the greatest: 0.8, 0.733, 0.88, 0.013? (a) 0.8 (b) 0.733 (c) 0.88 (d) 0.013
  16. 16.What is the value of the digit 7 in 45.721? (a) 0.07 (b) 0.7 (c) 0.007 (d) 7
  17. 17.What is the value of the digit 4 in 36.247? (a) 0.04 (b) 0.4 (c) 4 (d) 0.004
  18. 18.What is the value of the digit 8 in 17.285? (a) 0.8 (b) 8 (c) 0.08 (d) 0.008
  19. 19.3.25 + 3.1 = ? (a) 3.56 (b) 6.45 (c) 6.25 (d) 6.35
  20. 20.1.91 + 7.9 = ? (a) 9.81 (b) 9.71 (c) 9.91 (d) 2.7
  21. 21.3.06 + 8.7 = ? (a) 11.86 (b) 3.93 (c) 11.76 (d) 11.66
  22. 22.What is the value of the digit 5 in 28.159? (a) 0.5 (b) 5 (c) 0.005 (d) 0.05
  23. 23.5.19 + 3.9 = ? (a) 9.09 (b) 9.19 (c) 5.58 (d) 8.99
  24. 24.What is the value of the digit 6 in 51.692? (a) 0.006 (b) 0.06 (c) 0.6 (d) 6
  25. 25.1.51 + 3.4 = ? (a) 1.85 (b) 5.01 (c) 4.81 (d) 4.91
  26. 26.4.82 + 2.3 = ? (a) 7.02 (b) 5.05 (c) 7.12 (d) 7.22
  27. 27.2.05 + 5.1 = ? (a) 2.56 (b) 7.25 (c) 7.15 (d) 7.05
  28. 28.What is the value of the digit 4 in 37.284? (a) 0.04 (b) 4 (c) 0.4 (d) 0.004
  29. 29.What is the value of the digit 2 in 29.735? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  30. 30.What is the value of the digit 6 in 58.416? (a) 0.6 (b) 0.006 (c) 6 (d) 0.06
  31. 31.1.79 + 4.8 = ? (a) 6.69 (b) 2.27 (c) 6.49 (d) 6.59
  32. 32.3.37 + 3.4 = ? (a) 6.77 (b) 6.67 (c) 3.71 (d) 6.87
  33. 33.9.11 + 8.9 = ? (a) 10 (b) 17.91 (c) 18.01 (d) 18.11
  34. 34.Which is the smallest: 0.81, 0.016, 0.746, 0.8? (a) 0.81 (b) 0.016 (c) 0.746 (d) 0.8
  35. 35.5.59 + 8.4 = ? (a) 6.43 (b) 13.99 (c) 14.09 (d) 13.89
  36. 36.5.99 + 4.1 = ? (a) 6.4 (b) 9.99 (c) 10.09 (d) 10.19
  37. 37.What is the value of the digit 5 in 34.572? (a) 5 (b) 0.5 (c) 0.05 (d) 0.005
  38. 38.Which is the smallest: 0.665, 0.74, 0.7, 0.065? (a) 0.665 (b) 0.74 (c) 0.7 (d) 0.065
  39. 39.1.38 + 5.9 = ? (a) 7.18 (b) 7.38 (c) 7.28 (d) 1.97
  40. 40.2.19 + 9.1 = ? (a) 11.39 (b) 11.29 (c) 3.1 (d) 11.19

Answer key

  1. 0.071
  2. 0.69
  3. 0.9
  4. 0.04
  5. 0.096
  6. 0.25
  7. 0.42
  8. 0.72
  9. 4.33
  10. 0.035
  11. 12.81
  12. 0.4
  13. 0.6
  14. 0.1
  15. 0.88
  16. 0.7
  17. 0.04
  18. 0.08
  19. 6.35
  20. 9.81
  21. 11.76
  22. 0.05
  23. 9.09
  24. 0.6
  25. 4.91
  26. 7.12
  27. 7.15
  28. 0.004
  29. 20
  30. 0.006
  31. 6.59
  32. 6.77
  33. 18.01
  34. 0.016
  35. 13.99
  36. 10.09
  37. 0.5
  38. 0.065
  39. 7.28
  40. 11.29

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