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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 931 · 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 greatest: 0.654, 0.71, 0.046, 0.7? (a) 0.654 (b) 0.71 (c) 0.046 (d) 0.7
  2. 2.What is the value of the digit 3 in 17.396? (a) 0.03 (b) 0.003 (c) 0.3 (d) 3
  3. 3.What is the value of the digit 9 in 36.759? (a) 0.09 (b) 0.9 (c) 9 (d) 0.009
  4. 4.What is the value of the digit 3 in 43.596? (a) 0.03 (b) 0.3 (c) 30 (d) 3
  5. 5.What is the value of the digit 5 in 13.954? (a) 5 (b) 0.005 (c) 0.5 (d) 0.05
  6. 6.What is the value of the digit 4 in 17.482? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  7. 7.1.39 + 3.4 = ? (a) 1.73 (b) 4.89 (c) 4.79 (d) 4.69
  8. 8.Which is the smallest: 0.3, 0.39, 0.018, 0.259? (a) 0.3 (b) 0.39 (c) 0.018 (d) 0.259
  9. 9.7.35 + 4.3 = ? (a) 7.78 (b) 11.75 (c) 11.55 (d) 11.65
  10. 10.What is the value of the digit 7 in 25.716? (a) 0.007 (b) 0.07 (c) 0.7 (d) 7
  11. 11.9.83 + 5.8 = ? (a) 15.73 (b) 10.41 (c) 15.63 (d) 15.53
  12. 12.9.74 + 1.9 = ? (a) 11.74 (b) 11.54 (c) 9.93 (d) 11.64
  13. 13.4.51 + 5.1 = ? (a) 9.51 (b) 9.61 (c) 9.71 (d) 5.02
  14. 14.Which is the smallest: 0.366, 0.4, 0.47, 0.054? (a) 0.366 (b) 0.4 (c) 0.47 (d) 0.054
  15. 15.Which is the greatest: 0.7, 0.71, 0.624, 0.092? (a) 0.7 (b) 0.71 (c) 0.624 (d) 0.092
  16. 16.What is the value of the digit 4 in 67.254? (a) 0.004 (b) 0.04 (c) 0.4 (d) 4
  17. 17.3.49 + 1.5 = ? (a) 3.64 (b) 4.89 (c) 5.09 (d) 4.99
  18. 18.What is the value of the digit 3 in 14.723? (a) 0.03 (b) 0.3 (c) 0.003 (d) 3
  19. 19.What is the value of the digit 1 in 41.783? (a) 1 (b) 0.01 (c) 0.1 (d) 10
  20. 20.Which is the greatest: 0.3, 0.259, 0.37, 0.079? (a) 0.3 (b) 0.259 (c) 0.37 (d) 0.079
  21. 21.What is the value of the digit 1 in 91.324? (a) 0.1 (b) 0.01 (c) 1 (d) 10
  22. 22.6.06 + 7.6 = ? (a) 13.76 (b) 6.82 (c) 13.56 (d) 13.66
  23. 23.What is the value of the digit 8 in 79.482? (a) 8 (b) 0.008 (c) 0.08 (d) 0.8
  24. 24.Which is the smallest: 0.62, 0.599, 0.6, 0.093? (a) 0.62 (b) 0.599 (c) 0.6 (d) 0.093
  25. 25.Which is the smallest: 0.411, 0.58, 0.5, 0.016? (a) 0.411 (b) 0.58 (c) 0.5 (d) 0.016
  26. 26.What is the value of the digit 3 in 69.832? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  27. 27.What is the value of the digit 1 in 51.628? (a) 0.1 (b) 10 (c) 1 (d) 0.01
  28. 28.Which is the smallest: 0.012, 0.2, 0.159, 0.22? (a) 0.012 (b) 0.2 (c) 0.159 (d) 0.22
  29. 29.6.49 + 5.1 = ? (a) 7 (b) 11.59 (c) 11.69 (d) 11.49
  30. 30.Which is the smallest: 0.489, 0.52, 0.087, 0.5? (a) 0.489 (b) 0.52 (c) 0.087 (d) 0.5
  31. 31.What is the value of the digit 5 in 62.495? (a) 0.05 (b) 0.5 (c) 5 (d) 0.005
  32. 32.Which is the greatest: 0.8, 0.078, 0.773, 0.83? (a) 0.8 (b) 0.078 (c) 0.773 (d) 0.83
  33. 33.What is the value of the digit 8 in 65.281? (a) 8 (b) 0.08 (c) 0.8 (d) 0.008
  34. 34.What is the value of the digit 3 in 25.361? (a) 0.3 (b) 3 (c) 0.03 (d) 0.003
  35. 35.Which is the smallest: 0.599, 0.65, 0.062, 0.6? (a) 0.599 (b) 0.65 (c) 0.062 (d) 0.6
  36. 36.1.69 + 4.1 = ? (a) 5.69 (b) 5.89 (c) 2.1 (d) 5.79
  37. 37.2.91 + 1.8 = ? (a) 3.09 (b) 4.71 (c) 4.61 (d) 4.81
  38. 38.9.07 + 9.1 = ? (a) 9.98 (b) 18.27 (c) 18.17 (d) 18.07
  39. 39.Which is the greatest: 0.074, 0.6, 0.61, 0.529? (a) 0.074 (b) 0.6 (c) 0.61 (d) 0.529
  40. 40.6.64 + 1.4 = ? (a) 6.78 (b) 8.04 (c) 8.14 (d) 7.94

Answer key

  1. 0.71
  2. 0.3
  3. 0.009
  4. 3
  5. 0.05
  6. 0.4
  7. 4.79
  8. 0.018
  9. 11.65
  10. 0.7
  11. 15.63
  12. 11.64
  13. 9.61
  14. 0.054
  15. 0.71
  16. 0.004
  17. 4.99
  18. 0.003
  19. 1
  20. 0.37
  21. 1
  22. 13.66
  23. 0.08
  24. 0.093
  25. 0.016
  26. 0.03
  27. 1
  28. 0.012
  29. 11.59
  30. 0.087
  31. 0.005
  32. 0.83
  33. 0.08
  34. 0.3
  35. 0.062
  36. 5.79
  37. 4.71
  38. 18.17
  39. 0.61
  40. 8.04

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