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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 788 · 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 58.932? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003
  2. 2.Which is the smallest: 0.051, 0.3, 0.36, 0.263? (a) 0.051 (b) 0.3 (c) 0.36 (d) 0.263
  3. 3.Which is the smallest: 0.22, 0.2, 0.198, 0.058? (a) 0.22 (b) 0.2 (c) 0.198 (d) 0.058
  4. 4.2.77 + 2.4 = ? (a) 5.27 (b) 3.01 (c) 5.17 (d) 5.07
  5. 5.What is the value of the digit 5 in 45.371? (a) 50 (b) 5 (c) 0.5 (d) 0.05
  6. 6.Which is the smallest: 0.6, 0.065, 0.539, 0.65? (a) 0.6 (b) 0.065 (c) 0.539 (d) 0.65
  7. 7.7.57 + 3.1 = ? (a) 10.67 (b) 7.88 (c) 10.77 (d) 10.57
  8. 8.8.26 + 3.2 = ? (a) 8.58 (b) 11.36 (c) 11.56 (d) 11.46
  9. 9.What is the value of the digit 8 in 93.428? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  10. 10.What is the value of the digit 7 in 27.835? (a) 70 (b) 0.7 (c) 0.07 (d) 7
  11. 11.Which is the greatest: 0.353, 0.027, 0.4, 0.46? (a) 0.353 (b) 0.027 (c) 0.4 (d) 0.46
  12. 12.What is the value of the digit 2 in 82.364? (a) 2 (b) 0.2 (c) 0.02 (d) 20
  13. 13.2.61 + 8.8 = ? (a) 11.51 (b) 11.31 (c) 3.49 (d) 11.41
  14. 14.What is the value of the digit 9 in 13.859? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  15. 15.3.85 + 4.8 = ? (a) 8.75 (b) 8.55 (c) 4.33 (d) 8.65
  16. 16.What is the value of the digit 8 in 78.235? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  17. 17.Which is the greatest: 0.463, 0.59, 0.5, 0.047? (a) 0.463 (b) 0.59 (c) 0.5 (d) 0.047
  18. 18.What is the value of the digit 6 in 62.419? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  19. 19.8.01 + 9.2 = ? (a) 17.21 (b) 17.11 (c) 8.93 (d) 17.31
  20. 20.3.26 + 4.3 = ? (a) 7.46 (b) 3.69 (c) 7.66 (d) 7.56
  21. 21.What is the value of the digit 8 in 35.168? (a) 0.08 (b) 0.8 (c) 8 (d) 0.008
  22. 22.8.06 + 8.6 = ? (a) 16.56 (b) 16.66 (c) 16.76 (d) 8.92
  23. 23.What is the value of the digit 8 in 29.438? (a) 8 (b) 0.08 (c) 0.8 (d) 0.008
  24. 24.7.26 + 4.9 = ? (a) 12.26 (b) 12.06 (c) 7.75 (d) 12.16
  25. 25.Which is the greatest: 0.086, 0.6, 0.61, 0.591? (a) 0.086 (b) 0.6 (c) 0.61 (d) 0.591
  26. 26.9.74 + 9.5 = ? (a) 10.69 (b) 19.14 (c) 19.34 (d) 19.24
  27. 27.What is the value of the digit 1 in 91.562? (a) 10 (b) 1 (c) 0.1 (d) 0.01
  28. 28.6.26 + 2.6 = ? (a) 8.96 (b) 6.52 (c) 8.86 (d) 8.76
  29. 29.1.19 + 1.7 = ? (a) 1.36 (b) 2.79 (c) 2.89 (d) 2.99
  30. 30.8.47 + 3.6 = ? (a) 8.83 (b) 12.07 (c) 11.97 (d) 12.17
  31. 31.Which is the smallest: 0.7, 0.058, 0.74, 0.632? (a) 0.7 (b) 0.058 (c) 0.74 (d) 0.632
  32. 32.6.81 + 3.2 = ? (a) 10.01 (b) 10.11 (c) 9.91 (d) 7.13
  33. 33.What is the value of the digit 5 in 18.954? (a) 0.005 (b) 0.5 (c) 5 (d) 0.05
  34. 34.7.57 + 6.5 = ? (a) 14.17 (b) 8.22 (c) 13.97 (d) 14.07
  35. 35.What is the value of the digit 1 in 92.841? (a) 0.1 (b) 0.001 (c) 1 (d) 0.01
  36. 36.What is the value of the digit 4 in 98.674? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  37. 37.Which is the greatest: 0.471, 0.5, 0.52, 0.065? (a) 0.471 (b) 0.5 (c) 0.52 (d) 0.065
  38. 38.What is the value of the digit 1 in 29.514? (a) 0.1 (b) 1 (c) 0.01 (d) 0.001
  39. 39.9.28 + 2.8 = ? (a) 11.98 (b) 12.18 (c) 9.56 (d) 12.08
  40. 40.Which is the smallest: 0.038, 0.718, 0.8, 0.83? (a) 0.038 (b) 0.718 (c) 0.8 (d) 0.83

Answer key

  1. 0.03
  2. 0.051
  3. 0.058
  4. 5.17
  5. 5
  6. 0.065
  7. 10.67
  8. 11.46
  9. 0.008
  10. 7
  11. 0.46
  12. 2
  13. 11.41
  14. 0.009
  15. 8.65
  16. 8
  17. 0.59
  18. 60
  19. 17.21
  20. 7.56
  21. 0.008
  22. 16.66
  23. 0.008
  24. 12.16
  25. 0.61
  26. 19.24
  27. 1
  28. 8.86
  29. 2.89
  30. 12.07
  31. 0.058
  32. 10.01
  33. 0.05
  34. 14.07
  35. 0.001
  36. 0.004
  37. 0.52
  38. 0.01
  39. 12.08
  40. 0.038

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