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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 897 · 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 68.153? (a) 0.06 (b) 60 (c) 6 (d) 0.6
  2. 2.What is the value of the digit 9 in 95.374? (a) 9 (b) 0.9 (c) 90 (d) 0.09
  3. 3.What is the value of the digit 4 in 27.814? (a) 0.04 (b) 0.4 (c) 4 (d) 0.004
  4. 4.Which is the smallest: 0.047, 0.44, 0.4, 0.398? (a) 0.047 (b) 0.44 (c) 0.4 (d) 0.398
  5. 5.What is the value of the digit 4 in 76.548? (a) 0.04 (b) 4 (c) 0.4 (d) 0.004
  6. 6.Which is the greatest: 0.71, 0.018, 0.692, 0.7? (a) 0.71 (b) 0.018 (c) 0.692 (d) 0.7
  7. 7.Which is the greatest: 0.038, 0.56, 0.495, 0.5? (a) 0.038 (b) 0.56 (c) 0.495 (d) 0.5
  8. 8.8.42 + 1.8 = ? (a) 10.12 (b) 10.22 (c) 10.32 (d) 8.6
  9. 9.6.85 + 4.7 = ? (a) 11.45 (b) 7.32 (c) 11.55 (d) 11.65
  10. 10.What is the value of the digit 7 in 12.754? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  11. 11.What is the value of the digit 2 in 81.352? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  12. 12.2.68 + 7.1 = ? (a) 3.39 (b) 9.68 (c) 9.78 (d) 9.88
  13. 13.What is the value of the digit 1 in 83.146? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  14. 14.Which is the smallest: 0.035, 0.532, 0.68, 0.6? (a) 0.035 (b) 0.532 (c) 0.68 (d) 0.6
  15. 15.8.28 + 4.4 = ? (a) 12.68 (b) 12.78 (c) 8.72 (d) 12.58
  16. 16.9.85 + 3.1 = ? (a) 13.05 (b) 12.95 (c) 10.16 (d) 12.85
  17. 17.4.08 + 5.8 = ? (a) 4.66 (b) 9.98 (c) 9.88 (d) 9.78
  18. 18.7.51 + 4.3 = ? (a) 7.94 (b) 11.91 (c) 11.71 (d) 11.81
  19. 19.Which is the smallest: 0.386, 0.057, 0.4, 0.43? (a) 0.386 (b) 0.057 (c) 0.4 (d) 0.43
  20. 20.Which is the greatest: 0.8, 0.083, 0.755, 0.83? (a) 0.8 (b) 0.083 (c) 0.755 (d) 0.83
  21. 21.Which is the smallest: 0.63, 0.591, 0.014, 0.6? (a) 0.63 (b) 0.591 (c) 0.014 (d) 0.6
  22. 22.What is the value of the digit 4 in 85.429? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  23. 23.What is the value of the digit 1 in 13.487? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  24. 24.8.68 + 9.4 = ? (a) 17.98 (b) 18.08 (c) 9.62 (d) 18.18
  25. 25.7.38 + 2.9 = ? (a) 10.38 (b) 10.18 (c) 10.28 (d) 7.67
  26. 26.3.36 + 3.3 = ? (a) 6.76 (b) 6.66 (c) 3.69 (d) 6.56
  27. 27.Which is the smallest: 0.333, 0.43, 0.038, 0.4? (a) 0.333 (b) 0.43 (c) 0.038 (d) 0.4
  28. 28.4.74 + 4.2 = ? (a) 8.84 (b) 8.94 (c) 5.16 (d) 9.04
  29. 29.What is the value of the digit 2 in 89.234? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  30. 30.Which is the smallest: 0.037, 0.43, 0.4, 0.391? (a) 0.037 (b) 0.43 (c) 0.4 (d) 0.391
  31. 31.Which is the smallest: 0.68, 0.083, 0.535, 0.6? (a) 0.68 (b) 0.083 (c) 0.535 (d) 0.6
  32. 32.What is the value of the digit 6 in 24.586? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  33. 33.Which is the greatest: 0.031, 0.33, 0.3, 0.291? (a) 0.031 (b) 0.33 (c) 0.3 (d) 0.291
  34. 34.Which is the greatest: 0.459, 0.095, 0.5, 0.51? (a) 0.459 (b) 0.095 (c) 0.5 (d) 0.51
  35. 35.What is the value of the digit 2 in 25.961? (a) 20 (b) 2 (c) 0.2 (d) 0.02
  36. 36.What is the value of the digit 1 in 57.183? (a) 0.1 (b) 0.01 (c) 0.001 (d) 1
  37. 37.8.78 + 1.3 = ? (a) 8.91 (b) 10.18 (c) 9.98 (d) 10.08
  38. 38.3.81 + 8.1 = ? (a) 12.01 (b) 11.91 (c) 11.81 (d) 4.62
  39. 39.Which is the smallest: 0.019, 0.83, 0.713, 0.8? (a) 0.019 (b) 0.83 (c) 0.713 (d) 0.8
  40. 40.Which is the greatest: 0.49, 0.373, 0.035, 0.4? (a) 0.49 (b) 0.373 (c) 0.035 (d) 0.4

Answer key

  1. 60
  2. 90
  3. 0.004
  4. 0.047
  5. 0.04
  6. 0.71
  7. 0.56
  8. 10.22
  9. 11.55
  10. 0.7
  11. 0.002
  12. 9.78
  13. 0.1
  14. 0.035
  15. 12.68
  16. 12.95
  17. 9.88
  18. 11.81
  19. 0.057
  20. 0.83
  21. 0.014
  22. 0.4
  23. 10
  24. 18.08
  25. 10.28
  26. 6.66
  27. 0.038
  28. 8.94
  29. 0.2
  30. 0.037
  31. 0.083
  32. 0.006
  33. 0.33
  34. 0.51
  35. 20
  36. 0.1
  37. 10.08
  38. 11.91
  39. 0.019
  40. 0.49

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