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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 558 · 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 26.157? (a) 6 (b) 0.6 (c) 60 (d) 0.06
  2. 2.What is the value of the digit 7 in 86.147? (a) 0.07 (b) 0.7 (c) 7 (d) 0.007
  3. 3.What is the value of the digit 1 in 12.843? (a) 0.1 (b) 0.01 (c) 1 (d) 10
  4. 4.Which is the greatest: 0.8, 0.767, 0.82, 0.057? (a) 0.8 (b) 0.767 (c) 0.82 (d) 0.057
  5. 5.Which is the smallest: 0.072, 0.393, 0.43, 0.4? (a) 0.072 (b) 0.393 (c) 0.43 (d) 0.4
  6. 6.Which is the smallest: 0.29, 0.178, 0.2, 0.086? (a) 0.29 (b) 0.178 (c) 0.2 (d) 0.086
  7. 7.2.19 + 8.2 = ? (a) 10.49 (b) 10.39 (c) 3.01 (d) 10.29
  8. 8.What is the value of the digit 3 in 36.874? (a) 3 (b) 0.3 (c) 0.03 (d) 30
  9. 9.What is the value of the digit 4 in 71.248? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  10. 10.Which is the smallest: 0.085, 0.2, 0.122, 0.29? (a) 0.085 (b) 0.2 (c) 0.122 (d) 0.29
  11. 11.2.55 + 3.9 = ? (a) 6.35 (b) 2.94 (c) 6.45 (d) 6.55
  12. 12.Which is the greatest: 0.671, 0.094, 0.7, 0.73? (a) 0.671 (b) 0.094 (c) 0.7 (d) 0.73
  13. 13.Which is the smallest: 0.8, 0.735, 0.081, 0.89? (a) 0.8 (b) 0.735 (c) 0.081 (d) 0.89
  14. 14.Which is the smallest: 0.022, 0.88, 0.725, 0.8? (a) 0.022 (b) 0.88 (c) 0.725 (d) 0.8
  15. 15.What is the value of the digit 5 in 24.156? (a) 5 (b) 0.05 (c) 0.5 (d) 0.005
  16. 16.What is the value of the digit 4 in 74.358? (a) 40 (b) 0.4 (c) 0.04 (d) 4
  17. 17.What is the value of the digit 3 in 28.365? (a) 0.003 (b) 3 (c) 0.3 (d) 0.03
  18. 18.What is the value of the digit 5 in 32.584? (a) 0.005 (b) 0.05 (c) 5 (d) 0.5
  19. 19.What is the value of the digit 4 in 85.364? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  20. 20.What is the value of the digit 6 in 65.219? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  21. 21.What is the value of the digit 3 in 45.398? (a) 0.003 (b) 0.03 (c) 3 (d) 0.3
  22. 22.What is the value of the digit 4 in 54.973? (a) 0.04 (b) 4 (c) 40 (d) 0.4
  23. 23.8.18 + 6.8 = ? (a) 8.86 (b) 14.88 (c) 15.08 (d) 14.98
  24. 24.7.31 + 9.1 = ? (a) 8.22 (b) 16.51 (c) 16.41 (d) 16.31
  25. 25.3.04 + 4.8 = ? (a) 7.94 (b) 7.84 (c) 7.74 (d) 3.52
  26. 26.1.27 + 7.7 = ? (a) 8.87 (b) 2.04 (c) 9.07 (d) 8.97
  27. 27.4.58 + 9.4 = ? (a) 14.08 (b) 13.88 (c) 13.98 (d) 5.52
  28. 28.8.28 + 4.2 = ? (a) 8.7 (b) 12.58 (c) 12.38 (d) 12.48
  29. 29.Which is the smallest: 0.628, 0.7, 0.071, 0.75? (a) 0.628 (b) 0.7 (c) 0.071 (d) 0.75
  30. 30.4.88 + 2.1 = ? (a) 7.08 (b) 5.09 (c) 6.88 (d) 6.98
  31. 31.What is the value of the digit 1 in 21.846? (a) 1 (b) 0.1 (c) 10 (d) 0.01
  32. 32.7.13 + 3.3 = ? (a) 10.43 (b) 10.33 (c) 10.53 (d) 7.46
  33. 33.2.64 + 7.7 = ? (a) 10.34 (b) 10.24 (c) 3.41 (d) 10.44
  34. 34.5.01 + 2.7 = ? (a) 7.81 (b) 7.71 (c) 5.28 (d) 7.61
  35. 35.Which is the greatest: 0.468, 0.5, 0.097, 0.59? (a) 0.468 (b) 0.5 (c) 0.097 (d) 0.59
  36. 36.9.77 + 2.1 = ? (a) 11.97 (b) 9.98 (c) 11.77 (d) 11.87
  37. 37.Which is the smallest: 0.153, 0.099, 0.29, 0.2? (a) 0.153 (b) 0.099 (c) 0.29 (d) 0.2
  38. 38.What is the value of the digit 8 in 89.612? (a) 0.08 (b) 0.8 (c) 80 (d) 8
  39. 39.Which is the greatest: 0.6, 0.021, 0.574, 0.61? (a) 0.6 (b) 0.021 (c) 0.574 (d) 0.61
  40. 40.What is the value of the digit 8 in 83.567? (a) 0.08 (b) 80 (c) 8 (d) 0.8

Answer key

  1. 6
  2. 0.007
  3. 10
  4. 0.82
  5. 0.072
  6. 0.086
  7. 10.39
  8. 30
  9. 0.04
  10. 0.085
  11. 6.45
  12. 0.73
  13. 0.081
  14. 0.022
  15. 0.05
  16. 4
  17. 0.3
  18. 0.5
  19. 0.004
  20. 60
  21. 0.3
  22. 4
  23. 14.98
  24. 16.41
  25. 7.84
  26. 8.97
  27. 13.98
  28. 12.48
  29. 0.071
  30. 6.98
  31. 1
  32. 10.43
  33. 10.34
  34. 7.71
  35. 0.59
  36. 11.87
  37. 0.099
  38. 80
  39. 0.61
  40. 80

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