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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 774 · 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: 0.028, 0.36, 0.3, 0.276? (a) 0.028 (b) 0.36 (c) 0.3 (d) 0.276
  2. 2.Which is the greatest: 0.44, 0.037, 0.4, 0.373? (a) 0.44 (b) 0.037 (c) 0.4 (d) 0.373
  3. 3.2.91 + 5.2 = ? (a) 8.21 (b) 8.11 (c) 8.01 (d) 3.43
  4. 4.What is the value of the digit 3 in 43.629? (a) 30 (b) 0.03 (c) 3 (d) 0.3
  5. 5.1.88 + 3.1 = ? (a) 4.98 (b) 4.88 (c) 5.08 (d) 2.19
  6. 6.Which is the greatest: 0.5, 0.51, 0.435, 0.046? (a) 0.5 (b) 0.51 (c) 0.435 (d) 0.046
  7. 7.5.24 + 3.6 = ? (a) 8.74 (b) 8.94 (c) 8.84 (d) 5.6
  8. 8.6.93 + 7.1 = ? (a) 14.13 (b) 13.93 (c) 14.03 (d) 7.64
  9. 9.Which is the smallest: 0.097, 0.573, 0.6, 0.65? (a) 0.097 (b) 0.573 (c) 0.6 (d) 0.65
  10. 10.Which is the greatest: 0.2, 0.29, 0.155, 0.077? (a) 0.2 (b) 0.29 (c) 0.155 (d) 0.077
  11. 11.7.34 + 2.3 = ? (a) 9.64 (b) 9.54 (c) 9.74 (d) 7.57
  12. 12.Which is the greatest: 0.045, 0.5, 0.57, 0.426? (a) 0.045 (b) 0.5 (c) 0.57 (d) 0.426
  13. 13.Which is the greatest: 0.788, 0.8, 0.89, 0.054? (a) 0.788 (b) 0.8 (c) 0.89 (d) 0.054
  14. 14.What is the value of the digit 7 in 46.527? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  15. 15.6.46 + 4.9 = ? (a) 6.95 (b) 11.26 (c) 11.36 (d) 11.46
  16. 16.3.87 + 6.4 = ? (a) 10.17 (b) 4.51 (c) 10.27 (d) 10.37
  17. 17.What is the value of the digit 2 in 96.254? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  18. 18.5.35 + 7.8 = ? (a) 13.05 (b) 6.13 (c) 13.15 (d) 13.25
  19. 19.9.87 + 8.8 = ? (a) 18.77 (b) 10.75 (c) 18.57 (d) 18.67
  20. 20.Which is the smallest: 0.758, 0.051, 0.88, 0.8? (a) 0.758 (b) 0.051 (c) 0.88 (d) 0.8
  21. 21.1.86 + 2.8 = ? (a) 4.56 (b) 4.66 (c) 4.76 (d) 2.14
  22. 22.3.62 + 8.1 = ? (a) 11.62 (b) 11.82 (c) 11.72 (d) 4.43
  23. 23.What is the value of the digit 5 in 51.476? (a) 0.05 (b) 5 (c) 50 (d) 0.5
  24. 24.4.11 + 9.1 = ? (a) 13.31 (b) 13.11 (c) 5.02 (d) 13.21
  25. 25.3.26 + 5.6 = ? (a) 8.76 (b) 8.96 (c) 3.82 (d) 8.86
  26. 26.Which is the greatest: 0.26, 0.091, 0.199, 0.2? (a) 0.26 (b) 0.091 (c) 0.199 (d) 0.2
  27. 27.What is the value of the digit 7 in 74.863? (a) 0.07 (b) 7 (c) 70 (d) 0.7
  28. 28.What is the value of the digit 4 in 45.396? (a) 40 (b) 0.04 (c) 4 (d) 0.4
  29. 29.Which is the greatest: 0.42, 0.381, 0.4, 0.033? (a) 0.42 (b) 0.381 (c) 0.4 (d) 0.033
  30. 30.1.48 + 5.1 = ? (a) 1.99 (b) 6.48 (c) 6.58 (d) 6.68
  31. 31.Which is the greatest: 0.214, 0.33, 0.032, 0.3? (a) 0.214 (b) 0.33 (c) 0.032 (d) 0.3
  32. 32.What is the value of the digit 1 in 15.976? (a) 0.01 (b) 0.1 (c) 1 (d) 10
  33. 33.1.18 + 6.6 = ? (a) 1.84 (b) 7.88 (c) 7.68 (d) 7.78
  34. 34.3.66 + 9.3 = ? (a) 12.86 (b) 13.06 (c) 12.96 (d) 4.59
  35. 35.What is the value of the digit 7 in 57.968? (a) 7 (b) 0.07 (c) 70 (d) 0.7
  36. 36.What is the value of the digit 5 in 94.385? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  37. 37.What is the value of the digit 8 in 38.245? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  38. 38.2.97 + 5.2 = ? (a) 8.27 (b) 8.07 (c) 3.49 (d) 8.17
  39. 39.Which is the smallest: 0.53, 0.076, 0.425, 0.5? (a) 0.53 (b) 0.076 (c) 0.425 (d) 0.5
  40. 40.What is the value of the digit 6 in 62.985? (a) 60 (b) 0.06 (c) 6 (d) 0.6

Answer key

  1. 0.028
  2. 0.44
  3. 8.11
  4. 3
  5. 4.98
  6. 0.51
  7. 8.84
  8. 14.03
  9. 0.097
  10. 0.29
  11. 9.64
  12. 0.57
  13. 0.89
  14. 0.007
  15. 11.36
  16. 10.27
  17. 0.2
  18. 13.15
  19. 18.67
  20. 0.051
  21. 4.66
  22. 11.72
  23. 50
  24. 13.21
  25. 8.86
  26. 0.26
  27. 70
  28. 40
  29. 0.42
  30. 6.58
  31. 0.33
  32. 10
  33. 7.78
  34. 12.96
  35. 7
  36. 0.005
  37. 8
  38. 8.17
  39. 0.076
  40. 60

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