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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 743 · 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 8 in 89.462? (a) 8 (b) 0.8 (c) 0.08 (d) 80
  2. 2.4.91 + 9.9 = ? (a) 5.9 (b) 14.81 (c) 14.91 (d) 14.71
  3. 3.3.26 + 1.1 = ? (a) 4.26 (b) 4.36 (c) 4.46 (d) 3.37
  4. 4.5.15 + 7.1 = ? (a) 12.35 (b) 5.86 (c) 12.25 (d) 12.15
  5. 5.Which is the greatest: 0.56, 0.5, 0.041, 0.431? (a) 0.56 (b) 0.5 (c) 0.041 (d) 0.431
  6. 6.What is the value of the digit 3 in 13.842? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  7. 7.What is the value of the digit 1 in 71.963? (a) 1 (b) 0.01 (c) 10 (d) 0.1
  8. 8.Which is the greatest: 0.23, 0.055, 0.137, 0.2? (a) 0.23 (b) 0.055 (c) 0.137 (d) 0.2
  9. 9.8.61 + 9.4 = ? (a) 17.91 (b) 9.55 (c) 18.01 (d) 18.11
  10. 10.9.92 + 4.3 = ? (a) 10.35 (b) 14.22 (c) 14.12 (d) 14.32
  11. 11.1.53 + 9.3 = ? (a) 2.46 (b) 10.83 (c) 10.93 (d) 10.73
  12. 12.What is the value of the digit 9 in 69.254? (a) 90 (b) 9 (c) 0.09 (d) 0.9
  13. 13.Which is the greatest: 0.8, 0.762, 0.062, 0.84? (a) 0.8 (b) 0.762 (c) 0.062 (d) 0.84
  14. 14.Which is the greatest: 0.297, 0.3, 0.029, 0.31? (a) 0.297 (b) 0.3 (c) 0.029 (d) 0.31
  15. 15.9.71 + 7.5 = ? (a) 10.46 (b) 17.21 (c) 17.11 (d) 17.31
  16. 16.What is the value of the digit 4 in 15.243? (a) 0.4 (b) 0.004 (c) 0.04 (d) 4
  17. 17.Which is the smallest: 0.023, 0.21, 0.164, 0.2? (a) 0.023 (b) 0.21 (c) 0.164 (d) 0.2
  18. 18.What is the value of the digit 4 in 94.652? (a) 0.04 (b) 4 (c) 0.4 (d) 40
  19. 19.4.14 + 6.6 = ? (a) 4.8 (b) 10.84 (c) 10.74 (d) 10.64
  20. 20.What is the value of the digit 7 in 75.648? (a) 70 (b) 0.07 (c) 7 (d) 0.7
  21. 21.7.97 + 2.4 = ? (a) 8.21 (b) 10.47 (c) 10.37 (d) 10.27
  22. 22.9.45 + 2.1 = ? (a) 9.66 (b) 11.55 (c) 11.45 (d) 11.65
  23. 23.What is the value of the digit 3 in 31.549? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  24. 24.Which is the greatest: 0.066, 0.464, 0.52, 0.5? (a) 0.066 (b) 0.464 (c) 0.52 (d) 0.5
  25. 25.9.61 + 8.7 = ? (a) 10.48 (b) 18.41 (c) 18.21 (d) 18.31
  26. 26.2.31 + 3.2 = ? (a) 5.61 (b) 2.63 (c) 5.41 (d) 5.51
  27. 27.6.47 + 1.1 = ? (a) 7.47 (b) 7.67 (c) 7.57 (d) 6.58
  28. 28.What is the value of the digit 2 in 12.694? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  29. 29.Which is the greatest: 0.069, 0.224, 0.34, 0.3? (a) 0.069 (b) 0.224 (c) 0.34 (d) 0.3
  30. 30.Which is the smallest: 0.083, 0.615, 0.7, 0.77? (a) 0.083 (b) 0.615 (c) 0.7 (d) 0.77
  31. 31.What is the value of the digit 3 in 78.369? (a) 0.03 (b) 0.003 (c) 0.3 (d) 3
  32. 32.Which is the smallest: 0.626, 0.74, 0.048, 0.7? (a) 0.626 (b) 0.74 (c) 0.048 (d) 0.7
  33. 33.What is the value of the digit 8 in 17.853? (a) 0.08 (b) 0.8 (c) 0.008 (d) 8
  34. 34.Which is the smallest: 0.217, 0.3, 0.32, 0.067? (a) 0.217 (b) 0.3 (c) 0.32 (d) 0.067
  35. 35.What is the value of the digit 3 in 34.715? (a) 30 (b) 0.03 (c) 3 (d) 0.3
  36. 36.Which is the smallest: 0.069, 0.765, 0.8, 0.88? (a) 0.069 (b) 0.765 (c) 0.8 (d) 0.88
  37. 37.4.44 + 4.1 = ? (a) 8.64 (b) 8.44 (c) 4.85 (d) 8.54
  38. 38.What is the value of the digit 2 in 58.723? (a) 0.02 (b) 0.2 (c) 2 (d) 0.002
  39. 39.5.57 + 1.6 = ? (a) 5.73 (b) 7.17 (c) 7.27 (d) 7.07
  40. 40.8.88 + 2.1 = ? (a) 9.09 (b) 10.88 (c) 11.08 (d) 10.98

Answer key

  1. 80
  2. 14.81
  3. 4.36
  4. 12.25
  5. 0.56
  6. 3
  7. 1
  8. 0.23
  9. 18.01
  10. 14.22
  11. 10.83
  12. 9
  13. 0.84
  14. 0.31
  15. 17.21
  16. 0.04
  17. 0.023
  18. 4
  19. 10.74
  20. 70
  21. 10.37
  22. 11.55
  23. 30
  24. 0.52
  25. 18.31
  26. 5.51
  27. 7.57
  28. 2
  29. 0.34
  30. 0.083
  31. 0.3
  32. 0.048
  33. 0.8
  34. 0.067
  35. 30
  36. 0.069
  37. 8.54
  38. 0.02
  39. 7.17
  40. 10.98

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