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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 803 · 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 6 in 67.952? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  2. 2.7.33 + 6.8 = ? (a) 14.03 (b) 8.01 (c) 14.23 (d) 14.13
  3. 3.2.43 + 7.2 = ? (a) 9.53 (b) 3.15 (c) 9.73 (d) 9.63
  4. 4.What is the value of the digit 5 in 84.529? (a) 5 (b) 0.005 (c) 0.5 (d) 0.05
  5. 5.Which is the greatest: 0.6, 0.549, 0.045, 0.68? (a) 0.6 (b) 0.549 (c) 0.045 (d) 0.68
  6. 6.9.54 + 4.1 = ? (a) 13.74 (b) 13.54 (c) 13.64 (d) 9.95
  7. 7.1.37 + 9.1 = ? (a) 10.37 (b) 10.57 (c) 10.47 (d) 2.28
  8. 8.What is the value of the digit 6 in 78.416? (a) 0.006 (b) 0.6 (c) 6 (d) 0.06
  9. 9.What is the value of the digit 1 in 54.162? (a) 0.001 (b) 0.1 (c) 0.01 (d) 1
  10. 10.1.47 + 7.9 = ? (a) 2.26 (b) 9.27 (c) 9.47 (d) 9.37
  11. 11.What is the value of the digit 7 in 76.198? (a) 0.07 (b) 0.7 (c) 7 (d) 70
  12. 12.Which is the smallest: 0.68, 0.573, 0.6, 0.023? (a) 0.68 (b) 0.573 (c) 0.6 (d) 0.023
  13. 13.What is the value of the digit 8 in 71.859? (a) 8 (b) 0.08 (c) 0.8 (d) 0.008
  14. 14.Which is the greatest: 0.397, 0.073, 0.4, 0.43? (a) 0.397 (b) 0.073 (c) 0.4 (d) 0.43
  15. 15.2.59 + 6.5 = ? (a) 9.19 (b) 3.24 (c) 9.09 (d) 8.99
  16. 16.2.05 + 7.9 = ? (a) 10.05 (b) 9.95 (c) 2.84 (d) 9.85
  17. 17.What is the value of the digit 1 in 92.183? (a) 0.01 (b) 0.001 (c) 1 (d) 0.1
  18. 18.Which is the greatest: 0.54, 0.078, 0.459, 0.5? (a) 0.54 (b) 0.078 (c) 0.459 (d) 0.5
  19. 19.7.81 + 6.9 = ? (a) 8.5 (b) 14.71 (c) 14.81 (d) 14.61
  20. 20.1.55 + 8.9 = ? (a) 10.35 (b) 10.55 (c) 10.45 (d) 2.44
  21. 21.What is the value of the digit 1 in 35.761? (a) 0.1 (b) 0.01 (c) 0.001 (d) 1
  22. 22.Which is the greatest: 0.084, 0.41, 0.4, 0.312? (a) 0.084 (b) 0.41 (c) 0.4 (d) 0.312
  23. 23.8.22 + 7.2 = ? (a) 8.94 (b) 15.32 (c) 15.42 (d) 15.52
  24. 24.Which is the greatest: 0.015, 0.36, 0.253, 0.3? (a) 0.015 (b) 0.36 (c) 0.253 (d) 0.3
  25. 25.What is the value of the digit 7 in 93.271? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  26. 26.Which is the smallest: 0.033, 0.4, 0.361, 0.49? (a) 0.033 (b) 0.4 (c) 0.361 (d) 0.49
  27. 27.What is the value of the digit 8 in 14.782? (a) 0.008 (b) 0.8 (c) 8 (d) 0.08
  28. 28.1.35 + 4.6 = ? (a) 1.81 (b) 5.95 (c) 6.05 (d) 5.85
  29. 29.7.32 + 7.3 = ? (a) 14.72 (b) 8.05 (c) 14.52 (d) 14.62
  30. 30.4.31 + 8.2 = ? (a) 12.51 (b) 12.61 (c) 12.41 (d) 5.13
  31. 31.Which is the smallest: 0.4, 0.325, 0.42, 0.037? (a) 0.4 (b) 0.325 (c) 0.42 (d) 0.037
  32. 32.Which is the smallest: 0.034, 0.8, 0.749, 0.84? (a) 0.034 (b) 0.8 (c) 0.749 (d) 0.84
  33. 33.What is the value of the digit 6 in 56.237? (a) 0.06 (b) 6 (c) 0.6 (d) 60
  34. 34.What is the value of the digit 1 in 93.518? (a) 0.01 (b) 1 (c) 0.001 (d) 0.1
  35. 35.Which is the smallest: 0.015, 0.429, 0.5, 0.59? (a) 0.015 (b) 0.429 (c) 0.5 (d) 0.59
  36. 36.Which is the greatest: 0.74, 0.694, 0.083, 0.7? (a) 0.74 (b) 0.694 (c) 0.083 (d) 0.7
  37. 37.What is the value of the digit 7 in 91.237? (a) 0.007 (b) 7 (c) 0.07 (d) 0.7
  38. 38.Which is the greatest: 0.313, 0.084, 0.4, 0.41? (a) 0.313 (b) 0.084 (c) 0.4 (d) 0.41
  39. 39.Which is the smallest: 0.6, 0.068, 0.521, 0.62? (a) 0.6 (b) 0.068 (c) 0.521 (d) 0.62
  40. 40.What is the value of the digit 6 in 83.642? (a) 6 (b) 0.06 (c) 0.006 (d) 0.6

Answer key

  1. 60
  2. 14.13
  3. 9.63
  4. 0.5
  5. 0.68
  6. 13.64
  7. 10.47
  8. 0.006
  9. 0.1
  10. 9.37
  11. 70
  12. 0.023
  13. 0.8
  14. 0.43
  15. 9.09
  16. 9.95
  17. 0.1
  18. 0.54
  19. 14.71
  20. 10.45
  21. 0.001
  22. 0.41
  23. 15.42
  24. 0.36
  25. 0.07
  26. 0.033
  27. 0.08
  28. 5.95
  29. 14.62
  30. 12.51
  31. 0.037
  32. 0.034
  33. 6
  34. 0.01
  35. 0.015
  36. 0.74
  37. 0.007
  38. 0.41
  39. 0.068
  40. 0.6

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