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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 174 · 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: 0.421, 0.5, 0.54, 0.048? (a) 0.421 (b) 0.5 (c) 0.54 (d) 0.048
  2. 2.What is the value of the digit 5 in 95.246? (a) 0.5 (b) 50 (c) 0.05 (d) 5
  3. 3.5.59 + 9.6 = ? (a) 15.19 (b) 15.29 (c) 6.55 (d) 15.09
  4. 4.9.49 + 9.1 = ? (a) 18.69 (b) 18.59 (c) 10.4 (d) 18.49
  5. 5.2.41 + 8.2 = ? (a) 10.61 (b) 10.51 (c) 3.23 (d) 10.71
  6. 6.What is the value of the digit 7 in 76.592? (a) 0.07 (b) 7 (c) 0.7 (d) 70
  7. 7.1.49 + 8.8 = ? (a) 2.37 (b) 10.39 (c) 10.29 (d) 10.19
  8. 8.2.31 + 8.5 = ? (a) 10.81 (b) 3.16 (c) 10.91 (d) 10.71
  9. 9.Which is the smallest: 0.33, 0.3, 0.033, 0.251? (a) 0.33 (b) 0.3 (c) 0.033 (d) 0.251
  10. 10.What is the value of the digit 7 in 76.924? (a) 0.07 (b) 7 (c) 70 (d) 0.7
  11. 11.Which is the smallest: 0.052, 0.25, 0.2, 0.121? (a) 0.052 (b) 0.25 (c) 0.2 (d) 0.121
  12. 12.Which is the smallest: 0.031, 0.71, 0.7, 0.612? (a) 0.031 (b) 0.71 (c) 0.7 (d) 0.612
  13. 13.What is the value of the digit 7 in 28.571? (a) 7 (b) 0.07 (c) 0.007 (d) 0.7
  14. 14.1.47 + 2.1 = ? (a) 3.47 (b) 1.68 (c) 3.57 (d) 3.67
  15. 15.3.99 + 8.7 = ? (a) 12.69 (b) 12.79 (c) 4.86 (d) 12.59
  16. 16.Which is the greatest: 0.7, 0.75, 0.013, 0.643? (a) 0.7 (b) 0.75 (c) 0.013 (d) 0.643
  17. 17.Which is the greatest: 0.447, 0.033, 0.51, 0.5? (a) 0.447 (b) 0.033 (c) 0.51 (d) 0.5
  18. 18.Which is the smallest: 0.61, 0.6, 0.029, 0.581? (a) 0.61 (b) 0.6 (c) 0.029 (d) 0.581
  19. 19.Which is the greatest: 0.325, 0.017, 0.4, 0.48? (a) 0.325 (b) 0.017 (c) 0.4 (d) 0.48
  20. 20.2.15 + 6.7 = ? (a) 8.75 (b) 2.82 (c) 8.85 (d) 8.95
  21. 21.What is the value of the digit 1 in 59.318? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  22. 22.Which is the greatest: 0.3, 0.092, 0.34, 0.276? (a) 0.3 (b) 0.092 (c) 0.34 (d) 0.276
  23. 23.What is the value of the digit 6 in 82.617? (a) 0.06 (b) 0.006 (c) 6 (d) 0.6
  24. 24.3.08 + 8.2 = ? (a) 11.18 (b) 3.9 (c) 11.28 (d) 11.38
  25. 25.What is the value of the digit 5 in 53.762? (a) 0.5 (b) 5 (c) 50 (d) 0.05
  26. 26.Which is the greatest: 0.55, 0.422, 0.028, 0.5? (a) 0.55 (b) 0.422 (c) 0.028 (d) 0.5
  27. 27.What is the value of the digit 5 in 65.213? (a) 0.5 (b) 0.05 (c) 5 (d) 50
  28. 28.Which is the smallest: 0.4, 0.49, 0.021, 0.383? (a) 0.4 (b) 0.49 (c) 0.021 (d) 0.383
  29. 29.Which is the smallest: 0.66, 0.6, 0.086, 0.544? (a) 0.66 (b) 0.6 (c) 0.086 (d) 0.544
  30. 30.What is the value of the digit 4 in 58.746? (a) 0.004 (b) 0.04 (c) 4 (d) 0.4
  31. 31.6.85 + 7.4 = ? (a) 7.59 (b) 14.25 (c) 14.15 (d) 14.35
  32. 32.What is the value of the digit 5 in 53.289? (a) 0.5 (b) 5 (c) 0.05 (d) 50
  33. 33.Which is the smallest: 0.26, 0.011, 0.138, 0.2? (a) 0.26 (b) 0.011 (c) 0.138 (d) 0.2
  34. 34.1.94 + 3.3 = ? (a) 2.27 (b) 5.24 (c) 5.14 (d) 5.34
  35. 35.Which is the smallest: 0.4, 0.41, 0.349, 0.035? (a) 0.4 (b) 0.41 (c) 0.349 (d) 0.035
  36. 36.Which is the greatest: 0.62, 0.092, 0.541, 0.6? (a) 0.62 (b) 0.092 (c) 0.541 (d) 0.6
  37. 37.Which is the greatest: 0.074, 0.3, 0.33, 0.232? (a) 0.074 (b) 0.3 (c) 0.33 (d) 0.232
  38. 38.Which is the smallest: 0.681, 0.7, 0.79, 0.072? (a) 0.681 (b) 0.7 (c) 0.79 (d) 0.072
  39. 39.What is the value of the digit 8 in 79.528? (a) 0.8 (b) 0.008 (c) 8 (d) 0.08
  40. 40.6.37 + 2.2 = ? (a) 6.59 (b) 8.47 (c) 8.57 (d) 8.67

Answer key

  1. 0.048
  2. 5
  3. 15.19
  4. 18.59
  5. 10.61
  6. 70
  7. 10.29
  8. 10.81
  9. 0.033
  10. 70
  11. 0.052
  12. 0.031
  13. 0.07
  14. 3.57
  15. 12.69
  16. 0.75
  17. 0.51
  18. 0.029
  19. 0.48
  20. 8.85
  21. 0.01
  22. 0.34
  23. 0.6
  24. 11.28
  25. 50
  26. 0.55
  27. 5
  28. 0.021
  29. 0.086
  30. 0.04
  31. 14.25
  32. 50
  33. 0.011
  34. 5.24
  35. 0.035
  36. 0.62
  37. 0.33
  38. 0.072
  39. 0.008
  40. 8.57

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