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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 582 · 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 greatest: 0.488, 0.031, 0.59, 0.5? (a) 0.488 (b) 0.031 (c) 0.59 (d) 0.5
  2. 2.Which is the smallest: 0.34, 0.236, 0.062, 0.3? (a) 0.34 (b) 0.236 (c) 0.062 (d) 0.3
  3. 3.Which is the smallest: 0.037, 0.7, 0.72, 0.694? (a) 0.037 (b) 0.7 (c) 0.72 (d) 0.694
  4. 4.4.53 + 1.6 = ? (a) 6.23 (b) 6.13 (c) 6.03 (d) 4.69
  5. 5.What is the value of the digit 3 in 12.753? (a) 0.03 (b) 0.3 (c) 0.003 (d) 3
  6. 6.What is the value of the digit 1 in 39.512? (a) 0.001 (b) 1 (c) 0.1 (d) 0.01
  7. 7.3.22 + 8.8 = ? (a) 12.12 (b) 11.92 (c) 12.02 (d) 4.1
  8. 8.9.02 + 1.9 = ? (a) 11.02 (b) 10.92 (c) 9.21 (d) 10.82
  9. 9.9.15 + 6.6 = ? (a) 15.65 (b) 15.85 (c) 15.75 (d) 9.81
  10. 10.Which is the smallest: 0.337, 0.066, 0.48, 0.4? (a) 0.337 (b) 0.066 (c) 0.48 (d) 0.4
  11. 11.What is the value of the digit 2 in 74.632? (a) 0.2 (b) 0.002 (c) 0.02 (d) 2
  12. 12.Which is the smallest: 0.8, 0.82, 0.048, 0.774? (a) 0.8 (b) 0.82 (c) 0.048 (d) 0.774
  13. 13.Which is the greatest: 0.031, 0.741, 0.83, 0.8? (a) 0.031 (b) 0.741 (c) 0.83 (d) 0.8
  14. 14.1.82 + 1.7 = ? (a) 1.99 (b) 3.42 (c) 3.62 (d) 3.52
  15. 15.Which is the greatest: 0.54, 0.5, 0.439, 0.057? (a) 0.54 (b) 0.5 (c) 0.439 (d) 0.057
  16. 16.Which is the smallest: 0.3, 0.088, 0.231, 0.31? (a) 0.3 (b) 0.088 (c) 0.231 (d) 0.31
  17. 17.Which is the smallest: 0.65, 0.6, 0.085, 0.512? (a) 0.65 (b) 0.6 (c) 0.085 (d) 0.512
  18. 18.What is the value of the digit 8 in 98.671? (a) 80 (b) 8 (c) 0.08 (d) 0.8
  19. 19.What is the value of the digit 3 in 59.326? (a) 0.003 (b) 0.3 (c) 0.03 (d) 3
  20. 20.What is the value of the digit 6 in 76.481? (a) 0.6 (b) 60 (c) 0.06 (d) 6
  21. 21.Which is the greatest: 0.098, 0.175, 0.2, 0.22? (a) 0.098 (b) 0.175 (c) 0.2 (d) 0.22
  22. 22.1.36 + 5.4 = ? (a) 6.86 (b) 6.76 (c) 1.9 (d) 6.66
  23. 23.1.91 + 6.9 = ? (a) 2.6 (b) 8.81 (c) 8.91 (d) 8.71
  24. 24.3.27 + 3.6 = ? (a) 6.77 (b) 3.63 (c) 6.97 (d) 6.87
  25. 25.What is the value of the digit 7 in 76.821? (a) 7 (b) 70 (c) 0.07 (d) 0.7
  26. 26.Which is the smallest: 0.389, 0.077, 0.4, 0.44? (a) 0.389 (b) 0.077 (c) 0.4 (d) 0.44
  27. 27.What is the value of the digit 8 in 87.321? (a) 8 (b) 0.8 (c) 0.08 (d) 80
  28. 28.What is the value of the digit 4 in 72.489? (a) 0.4 (b) 0.04 (c) 4 (d) 0.004
  29. 29.Which is the smallest: 0.043, 0.499, 0.53, 0.5? (a) 0.043 (b) 0.499 (c) 0.53 (d) 0.5
  30. 30.5.94 + 4.1 = ? (a) 10.14 (b) 6.35 (c) 9.94 (d) 10.04
  31. 31.What is the value of the digit 4 in 47.238? (a) 4 (b) 0.4 (c) 0.04 (d) 40
  32. 32.Which is the smallest: 0.311, 0.4, 0.054, 0.46? (a) 0.311 (b) 0.4 (c) 0.054 (d) 0.46
  33. 33.Which is the greatest: 0.2, 0.24, 0.113, 0.034? (a) 0.2 (b) 0.24 (c) 0.113 (d) 0.034
  34. 34.7.68 + 9.5 = ? (a) 17.08 (b) 17.28 (c) 17.18 (d) 8.63
  35. 35.What is the value of the digit 3 in 26.431? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3
  36. 36.What is the value of the digit 8 in 75.284? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  37. 37.Which is the greatest: 0.319, 0.42, 0.076, 0.4? (a) 0.319 (b) 0.42 (c) 0.076 (d) 0.4
  38. 38.Which is the smallest: 0.725, 0.83, 0.054, 0.8? (a) 0.725 (b) 0.83 (c) 0.054 (d) 0.8
  39. 39.Which is the smallest: 0.42, 0.037, 0.4, 0.331? (a) 0.42 (b) 0.037 (c) 0.4 (d) 0.331
  40. 40.4.87 + 7.4 = ? (a) 12.37 (b) 5.61 (c) 12.17 (d) 12.27

Answer key

  1. 0.59
  2. 0.062
  3. 0.037
  4. 6.13
  5. 0.003
  6. 0.01
  7. 12.02
  8. 10.92
  9. 15.75
  10. 0.066
  11. 0.002
  12. 0.048
  13. 0.83
  14. 3.52
  15. 0.54
  16. 0.088
  17. 0.085
  18. 8
  19. 0.3
  20. 6
  21. 0.22
  22. 6.76
  23. 8.81
  24. 6.87
  25. 70
  26. 0.077
  27. 80
  28. 0.4
  29. 0.043
  30. 10.04
  31. 40
  32. 0.054
  33. 0.24
  34. 17.18
  35. 0.03
  36. 0.08
  37. 0.42
  38. 0.054
  39. 0.037
  40. 12.27

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