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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 708 · 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, 0.6, 0.522, 0.66? (a) 0.028 (b) 0.6 (c) 0.522 (d) 0.66
  2. 2.Which is the greatest: 0.6, 0.563, 0.66, 0.044? (a) 0.6 (b) 0.563 (c) 0.66 (d) 0.044
  3. 3.Which is the greatest: 0.28, 0.019, 0.2, 0.176? (a) 0.28 (b) 0.019 (c) 0.2 (d) 0.176
  4. 4.6.01 + 2.5 = ? (a) 8.61 (b) 8.41 (c) 8.51 (d) 6.26
  5. 5.Which is the greatest: 0.014, 0.4, 0.47, 0.367? (a) 0.014 (b) 0.4 (c) 0.47 (d) 0.367
  6. 6.8.28 + 4.8 = ? (a) 12.98 (b) 13.18 (c) 13.08 (d) 8.76
  7. 7.Which is the greatest: 0.5, 0.53, 0.081, 0.466? (a) 0.5 (b) 0.53 (c) 0.081 (d) 0.466
  8. 8.6.45 + 3.2 = ? (a) 9.75 (b) 9.65 (c) 6.77 (d) 9.55
  9. 9.8.81 + 8.9 = ? (a) 17.81 (b) 17.61 (c) 9.7 (d) 17.71
  10. 10.9.93 + 3.2 = ? (a) 10.25 (b) 13.23 (c) 13.03 (d) 13.13
  11. 11.Which is the greatest: 0.3, 0.012, 0.271, 0.39? (a) 0.3 (b) 0.012 (c) 0.271 (d) 0.39
  12. 12.Which is the smallest: 0.087, 0.65, 0.6, 0.513? (a) 0.087 (b) 0.65 (c) 0.6 (d) 0.513
  13. 13.What is the value of the digit 1 in 18.927? (a) 0.1 (b) 10 (c) 1 (d) 0.01
  14. 14.5.03 + 9.1 = ? (a) 14.13 (b) 14.23 (c) 5.94 (d) 14.03
  15. 15.Which is the greatest: 0.042, 0.24, 0.2, 0.118? (a) 0.042 (b) 0.24 (c) 0.2 (d) 0.118
  16. 16.What is the value of the digit 6 in 62.459? (a) 0.06 (b) 0.6 (c) 60 (d) 6
  17. 17.Which is the smallest: 0.192, 0.28, 0.057, 0.2? (a) 0.192 (b) 0.28 (c) 0.057 (d) 0.2
  18. 18.What is the value of the digit 9 in 84.962? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  19. 19.What is the value of the digit 4 in 57.694? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  20. 20.Which is the smallest: 0.8, 0.82, 0.038, 0.761? (a) 0.8 (b) 0.82 (c) 0.038 (d) 0.761
  21. 21.7.03 + 8.4 = ? (a) 15.33 (b) 15.53 (c) 15.43 (d) 7.87
  22. 22.5.26 + 4.9 = ? (a) 10.16 (b) 10.06 (c) 10.26 (d) 5.75
  23. 23.Which is the greatest: 0.069, 0.477, 0.55, 0.5? (a) 0.069 (b) 0.477 (c) 0.55 (d) 0.5
  24. 24.What is the value of the digit 8 in 62.198? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  25. 25.Which is the greatest: 0.061, 0.8, 0.84, 0.761? (a) 0.061 (b) 0.8 (c) 0.84 (d) 0.761
  26. 26.What is the value of the digit 1 in 19.652? (a) 0.01 (b) 1 (c) 10 (d) 0.1
  27. 27.9.63 + 6.8 = ? (a) 16.43 (b) 10.31 (c) 16.33 (d) 16.53
  28. 28.Which is the smallest: 0.5, 0.052, 0.413, 0.59? (a) 0.5 (b) 0.052 (c) 0.413 (d) 0.59
  29. 29.3.67 + 4.4 = ? (a) 4.11 (b) 7.97 (c) 8.17 (d) 8.07
  30. 30.5.26 + 5.2 = ? (a) 10.56 (b) 5.78 (c) 10.46 (d) 10.36
  31. 31.Which is the smallest: 0.169, 0.079, 0.27, 0.2? (a) 0.169 (b) 0.079 (c) 0.27 (d) 0.2
  32. 32.Which is the smallest: 0.435, 0.51, 0.5, 0.043? (a) 0.435 (b) 0.51 (c) 0.5 (d) 0.043
  33. 33.Which is the smallest: 0.8, 0.025, 0.89, 0.712? (a) 0.8 (b) 0.025 (c) 0.89 (d) 0.712
  34. 34.3.41 + 6.1 = ? (a) 9.51 (b) 9.41 (c) 9.61 (d) 4.02
  35. 35.What is the value of the digit 6 in 43.265? (a) 6 (b) 0.006 (c) 0.6 (d) 0.06
  36. 36.6.54 + 9.8 = ? (a) 7.52 (b) 16.44 (c) 16.24 (d) 16.34
  37. 37.8.31 + 9.7 = ? (a) 17.91 (b) 18.01 (c) 18.11 (d) 9.28
  38. 38.What is the value of the digit 8 in 93.568? (a) 0.008 (b) 8 (c) 0.8 (d) 0.08
  39. 39.Which is the greatest: 0.87, 0.068, 0.8, 0.788? (a) 0.87 (b) 0.068 (c) 0.8 (d) 0.788
  40. 40.Which is the greatest: 0.8, 0.785, 0.84, 0.052? (a) 0.8 (b) 0.785 (c) 0.84 (d) 0.052

Answer key

  1. 0.028
  2. 0.66
  3. 0.28
  4. 8.51
  5. 0.47
  6. 13.08
  7. 0.53
  8. 9.65
  9. 17.71
  10. 13.13
  11. 0.39
  12. 0.087
  13. 10
  14. 14.13
  15. 0.24
  16. 60
  17. 0.057
  18. 0.9
  19. 0.004
  20. 0.038
  21. 15.43
  22. 10.16
  23. 0.55
  24. 0.008
  25. 0.84
  26. 10
  27. 16.43
  28. 0.052
  29. 8.07
  30. 10.46
  31. 0.079
  32. 0.043
  33. 0.025
  34. 9.51
  35. 0.06
  36. 16.34
  37. 18.01
  38. 0.008
  39. 0.87
  40. 0.84

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