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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 741 · 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 3 in 91.783? (a) 0.3 (b) 3 (c) 0.003 (d) 0.03
  2. 2.Which is the greatest: 0.799, 0.87, 0.023, 0.8? (a) 0.799 (b) 0.87 (c) 0.023 (d) 0.8
  3. 3.Which is the greatest: 0.092, 0.399, 0.4, 0.45? (a) 0.092 (b) 0.399 (c) 0.4 (d) 0.45
  4. 4.3.11 + 6.3 = ? (a) 9.31 (b) 9.41 (c) 9.51 (d) 3.74
  5. 5.2.74 + 4.7 = ? (a) 3.21 (b) 7.54 (c) 7.34 (d) 7.44
  6. 6.Which is the greatest: 0.84, 0.787, 0.8, 0.093? (a) 0.84 (b) 0.787 (c) 0.8 (d) 0.093
  7. 7.Which is the greatest: 0.5, 0.54, 0.481, 0.051? (a) 0.5 (b) 0.54 (c) 0.481 (d) 0.051
  8. 8.Which is the smallest: 0.296, 0.035, 0.3, 0.32? (a) 0.296 (b) 0.035 (c) 0.3 (d) 0.32
  9. 9.What is the value of the digit 3 in 73.562? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  10. 10.2.94 + 2.6 = ? (a) 3.2 (b) 5.54 (c) 5.64 (d) 5.44
  11. 11.Which is the smallest: 0.637, 0.053, 0.7, 0.74? (a) 0.637 (b) 0.053 (c) 0.7 (d) 0.74
  12. 12.9.63 + 9.8 = ? (a) 10.61 (b) 19.43 (c) 19.53 (d) 19.33
  13. 13.What is the value of the digit 1 in 16.593? (a) 0.1 (b) 10 (c) 0.01 (d) 1
  14. 14.Which is the greatest: 0.036, 0.2, 0.28, 0.112? (a) 0.036 (b) 0.2 (c) 0.28 (d) 0.112
  15. 15.What is the value of the digit 8 in 73.892? (a) 0.08 (b) 8 (c) 0.008 (d) 0.8
  16. 16.What is the value of the digit 9 in 73.198? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  17. 17.What is the value of the digit 2 in 72.463? (a) 0.2 (b) 0.02 (c) 2 (d) 20
  18. 18.7.49 + 7.4 = ? (a) 8.23 (b) 14.89 (c) 14.79 (d) 14.99
  19. 19.3.72 + 9.4 = ? (a) 13.02 (b) 13.12 (c) 4.66 (d) 13.22
  20. 20.1.36 + 9.3 = ? (a) 10.56 (b) 10.76 (c) 10.66 (d) 2.29
  21. 21.4.77 + 1.7 = ? (a) 4.94 (b) 6.37 (c) 6.47 (d) 6.57
  22. 22.Which is the smallest: 0.072, 0.5, 0.52, 0.461? (a) 0.072 (b) 0.5 (c) 0.52 (d) 0.461
  23. 23.Which is the greatest: 0.3, 0.211, 0.044, 0.35? (a) 0.3 (b) 0.211 (c) 0.044 (d) 0.35
  24. 24.What is the value of the digit 6 in 16.493? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  25. 25.What is the value of the digit 7 in 47.126? (a) 70 (b) 7 (c) 0.7 (d) 0.07
  26. 26.What is the value of the digit 1 in 52.138? (a) 0.01 (b) 0.1 (c) 1 (d) 0.001
  27. 27.What is the value of the digit 9 in 29.348? (a) 90 (b) 0.9 (c) 9 (d) 0.09
  28. 28.9.25 + 5.3 = ? (a) 14.65 (b) 14.45 (c) 9.78 (d) 14.55
  29. 29.2.31 + 7.8 = ? (a) 10.21 (b) 10.11 (c) 3.09 (d) 10.01
  30. 30.Which is the greatest: 0.051, 0.324, 0.42, 0.4? (a) 0.051 (b) 0.324 (c) 0.42 (d) 0.4
  31. 31.Which is the greatest: 0.525, 0.61, 0.6, 0.072? (a) 0.525 (b) 0.61 (c) 0.6 (d) 0.072
  32. 32.What is the value of the digit 5 in 71.593? (a) 5 (b) 0.5 (c) 0.005 (d) 0.05
  33. 33.Which is the greatest: 0.3, 0.33, 0.298, 0.048? (a) 0.3 (b) 0.33 (c) 0.298 (d) 0.048
  34. 34.What is the value of the digit 2 in 24.356? (a) 20 (b) 0.2 (c) 0.02 (d) 2
  35. 35.What is the value of the digit 6 in 38.647? (a) 0.6 (b) 0.006 (c) 0.06 (d) 6
  36. 36.Which is the greatest: 0.551, 0.62, 0.6, 0.075? (a) 0.551 (b) 0.62 (c) 0.6 (d) 0.075
  37. 37.What is the value of the digit 2 in 85.926? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  38. 38.Which is the smallest: 0.038, 0.6, 0.69, 0.535? (a) 0.038 (b) 0.6 (c) 0.69 (d) 0.535
  39. 39.Which is the smallest: 0.089, 0.74, 0.7, 0.631? (a) 0.089 (b) 0.74 (c) 0.7 (d) 0.631
  40. 40.What is the value of the digit 6 in 96.213? (a) 0.06 (b) 0.6 (c) 6 (d) 60

Answer key

  1. 0.003
  2. 0.87
  3. 0.45
  4. 9.41
  5. 7.44
  6. 0.84
  7. 0.54
  8. 0.035
  9. 3
  10. 5.54
  11. 0.053
  12. 19.43
  13. 10
  14. 0.28
  15. 0.8
  16. 0.09
  17. 2
  18. 14.89
  19. 13.12
  20. 10.66
  21. 6.47
  22. 0.072
  23. 0.35
  24. 6
  25. 7
  26. 0.1
  27. 9
  28. 14.55
  29. 10.11
  30. 0.42
  31. 0.61
  32. 0.5
  33. 0.33
  34. 20
  35. 0.6
  36. 0.62
  37. 0.02
  38. 0.038
  39. 0.089
  40. 6

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