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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 954 · 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 36.598? (a) 6 (b) 60 (c) 0.6 (d) 0.06
  2. 2.Which is the greatest: 0.014, 0.49, 0.4, 0.335? (a) 0.014 (b) 0.49 (c) 0.4 (d) 0.335
  3. 3.2.73 + 6.7 = ? (a) 9.43 (b) 9.53 (c) 3.4 (d) 9.33
  4. 4.What is the value of the digit 1 in 86.571? (a) 1 (b) 0.1 (c) 0.01 (d) 0.001
  5. 5.What is the value of the digit 8 in 16.857? (a) 0.008 (b) 0.08 (c) 8 (d) 0.8
  6. 6.Which is the greatest: 0.7, 0.78, 0.073, 0.611? (a) 0.7 (b) 0.78 (c) 0.073 (d) 0.611
  7. 7.What is the value of the digit 1 in 12.356? (a) 0.1 (b) 10 (c) 0.01 (d) 1
  8. 8.What is the value of the digit 6 in 67.958? (a) 6 (b) 0.06 (c) 0.6 (d) 60
  9. 9.Which is the smallest: 0.84, 0.773, 0.8, 0.032? (a) 0.84 (b) 0.773 (c) 0.8 (d) 0.032
  10. 10.What is the value of the digit 5 in 19.584? (a) 0.05 (b) 0.005 (c) 5 (d) 0.5
  11. 11.Which is the greatest: 0.046, 0.6, 0.68, 0.564? (a) 0.046 (b) 0.6 (c) 0.68 (d) 0.564
  12. 12.1.71 + 2.3 = ? (a) 4.11 (b) 1.94 (c) 3.91 (d) 4.01
  13. 13.1.75 + 2.3 = ? (a) 1.98 (b) 3.95 (c) 4.05 (d) 4.15
  14. 14.What is the value of the digit 5 in 37.549? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  15. 15.What is the value of the digit 5 in 24.753? (a) 0.005 (b) 0.5 (c) 0.05 (d) 5
  16. 16.7.68 + 1.9 = ? (a) 9.48 (b) 7.87 (c) 9.68 (d) 9.58
  17. 17.3.65 + 2.1 = ? (a) 3.86 (b) 5.65 (c) 5.75 (d) 5.85
  18. 18.What is the value of the digit 4 in 52.194? (a) 0.004 (b) 0.04 (c) 0.4 (d) 4
  19. 19.Which is the greatest: 0.059, 0.73, 0.662, 0.7? (a) 0.059 (b) 0.73 (c) 0.662 (d) 0.7
  20. 20.What is the value of the digit 5 in 21.579? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  21. 21.9.93 + 9.6 = ? (a) 10.89 (b) 19.43 (c) 19.63 (d) 19.53
  22. 22.2.98 + 4.2 = ? (a) 3.4 (b) 7.08 (c) 7.18 (d) 7.28
  23. 23.Which is the greatest: 0.6, 0.571, 0.63, 0.041? (a) 0.6 (b) 0.571 (c) 0.63 (d) 0.041
  24. 24.Which is the greatest: 0.51, 0.042, 0.5, 0.428? (a) 0.51 (b) 0.042 (c) 0.5 (d) 0.428
  25. 25.Which is the smallest: 0.722, 0.078, 0.82, 0.8? (a) 0.722 (b) 0.078 (c) 0.82 (d) 0.8
  26. 26.Which is the greatest: 0.084, 0.25, 0.144, 0.2? (a) 0.084 (b) 0.25 (c) 0.144 (d) 0.2
  27. 27.What is the value of the digit 9 in 91.827? (a) 0.09 (b) 90 (c) 0.9 (d) 9
  28. 28.What is the value of the digit 3 in 32.861? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  29. 29.4.84 + 1.4 = ? (a) 6.14 (b) 6.24 (c) 4.98 (d) 6.34
  30. 30.2.26 + 3.3 = ? (a) 5.46 (b) 2.59 (c) 5.66 (d) 5.56
  31. 31.6.31 + 2.2 = ? (a) 8.41 (b) 8.51 (c) 8.61 (d) 6.53
  32. 32.Which is the smallest: 0.32, 0.086, 0.3, 0.235? (a) 0.32 (b) 0.086 (c) 0.3 (d) 0.235
  33. 33.9.46 + 9.4 = ? (a) 18.76 (b) 10.4 (c) 18.86 (d) 18.96
  34. 34.What is the value of the digit 5 in 58.742? (a) 0.5 (b) 0.05 (c) 5 (d) 50
  35. 35.Which is the greatest: 0.2, 0.168, 0.25, 0.036? (a) 0.2 (b) 0.168 (c) 0.25 (d) 0.036
  36. 36.3.94 + 9.4 = ? (a) 4.88 (b) 13.44 (c) 13.34 (d) 13.24
  37. 37.3.71 + 2.4 = ? (a) 6.01 (b) 3.95 (c) 6.21 (d) 6.11
  38. 38.What is the value of the digit 1 in 67.941? (a) 0.01 (b) 0.001 (c) 1 (d) 0.1
  39. 39.What is the value of the digit 2 in 57.462? (a) 2 (b) 0.002 (c) 0.2 (d) 0.02
  40. 40.Which is the greatest: 0.578, 0.021, 0.62, 0.6? (a) 0.578 (b) 0.021 (c) 0.62 (d) 0.6

Answer key

  1. 6
  2. 0.49
  3. 9.43
  4. 0.001
  5. 0.8
  6. 0.78
  7. 10
  8. 60
  9. 0.032
  10. 0.5
  11. 0.68
  12. 4.01
  13. 4.05
  14. 0.5
  15. 0.05
  16. 9.58
  17. 5.75
  18. 0.004
  19. 0.73
  20. 0.5
  21. 19.53
  22. 7.18
  23. 0.63
  24. 0.51
  25. 0.078
  26. 0.25
  27. 90
  28. 30
  29. 6.24
  30. 5.56
  31. 8.51
  32. 0.086
  33. 18.86
  34. 50
  35. 0.25
  36. 13.34
  37. 6.11
  38. 0.001
  39. 0.002
  40. 0.62

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