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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 96 · 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 83.712? (a) 0.3 (b) 30 (c) 3 (d) 0.03
  2. 2.Which is the greatest: 0.124, 0.2, 0.024, 0.25? (a) 0.124 (b) 0.2 (c) 0.024 (d) 0.25
  3. 3.What is the value of the digit 1 in 91.346? (a) 0.1 (b) 1 (c) 0.01 (d) 10
  4. 4.3.59 + 9.7 = ? (a) 13.39 (b) 13.19 (c) 4.56 (d) 13.29
  5. 5.Which is the greatest: 0.098, 0.36, 0.3, 0.236? (a) 0.098 (b) 0.36 (c) 0.3 (d) 0.236
  6. 6.What is the value of the digit 7 in 13.679? (a) 0.07 (b) 0.007 (c) 0.7 (d) 7
  7. 7.2.31 + 1.2 = ? (a) 3.61 (b) 3.51 (c) 3.41 (d) 2.43
  8. 8.3.09 + 9.8 = ? (a) 12.79 (b) 12.99 (c) 4.07 (d) 12.89
  9. 9.Which is the greatest: 0.54, 0.416, 0.5, 0.059? (a) 0.54 (b) 0.416 (c) 0.5 (d) 0.059
  10. 10.What is the value of the digit 9 in 94.621? (a) 0.9 (b) 0.09 (c) 90 (d) 9
  11. 11.Which is the smallest: 0.2, 0.117, 0.079, 0.23? (a) 0.2 (b) 0.117 (c) 0.079 (d) 0.23
  12. 12.Which is the smallest: 0.086, 0.543, 0.6, 0.63? (a) 0.086 (b) 0.543 (c) 0.6 (d) 0.63
  13. 13.5.49 + 1.4 = ? (a) 6.99 (b) 5.63 (c) 6.89 (d) 6.79
  14. 14.1.11 + 5.8 = ? (a) 6.81 (b) 7.01 (c) 1.69 (d) 6.91
  15. 15.Which is the greatest: 0.3, 0.33, 0.277, 0.086? (a) 0.3 (b) 0.33 (c) 0.277 (d) 0.086
  16. 16.What is the value of the digit 4 in 61.452? (a) 0.4 (b) 4 (c) 0.04 (d) 0.004
  17. 17.Which is the greatest: 0.2, 0.183, 0.064, 0.23? (a) 0.2 (b) 0.183 (c) 0.064 (d) 0.23
  18. 18.1.98 + 1.2 = ? (a) 3.28 (b) 3.08 (c) 3.18 (d) 2.1
  19. 19.7.02 + 2.2 = ? (a) 9.32 (b) 9.12 (c) 9.22 (d) 7.24
  20. 20.Which is the greatest: 0.3, 0.248, 0.097, 0.32? (a) 0.3 (b) 0.248 (c) 0.097 (d) 0.32
  21. 21.Which is the greatest: 0.478, 0.51, 0.5, 0.086? (a) 0.478 (b) 0.51 (c) 0.5 (d) 0.086
  22. 22.What is the value of the digit 5 in 54.168? (a) 50 (b) 5 (c) 0.05 (d) 0.5
  23. 23.What is the value of the digit 8 in 75.829? (a) 0.08 (b) 0.008 (c) 0.8 (d) 8
  24. 24.Which is the greatest: 0.666, 0.71, 0.7, 0.039? (a) 0.666 (b) 0.71 (c) 0.7 (d) 0.039
  25. 25.Which is the smallest: 0.5, 0.072, 0.54, 0.411? (a) 0.5 (b) 0.072 (c) 0.54 (d) 0.411
  26. 26.Which is the greatest: 0.6, 0.62, 0.011, 0.554? (a) 0.6 (b) 0.62 (c) 0.011 (d) 0.554
  27. 27.What is the value of the digit 2 in 21.397? (a) 0.2 (b) 0.02 (c) 20 (d) 2
  28. 28.Which is the greatest: 0.526, 0.6, 0.64, 0.092? (a) 0.526 (b) 0.6 (c) 0.64 (d) 0.092
  29. 29.What is the value of the digit 1 in 92.187? (a) 0.001 (b) 1 (c) 0.01 (d) 0.1
  30. 30.Which is the greatest: 0.112, 0.2, 0.086, 0.25? (a) 0.112 (b) 0.2 (c) 0.086 (d) 0.25
  31. 31.1.95 + 6.7 = ? (a) 8.55 (b) 8.65 (c) 2.62 (d) 8.75
  32. 32.What is the value of the digit 7 in 17.825? (a) 7 (b) 70 (c) 0.07 (d) 0.7
  33. 33.9.01 + 3.8 = ? (a) 12.71 (b) 12.91 (c) 12.81 (d) 9.39
  34. 34.What is the value of the digit 1 in 62.941? (a) 1 (b) 0.01 (c) 0.1 (d) 0.001
  35. 35.2.21 + 4.3 = ? (a) 6.51 (b) 6.61 (c) 2.64 (d) 6.41
  36. 36.2.35 + 5.5 = ? (a) 7.75 (b) 2.9 (c) 7.95 (d) 7.85
  37. 37.Which is the greatest: 0.5, 0.422, 0.063, 0.51? (a) 0.5 (b) 0.422 (c) 0.063 (d) 0.51
  38. 38.Which is the smallest: 0.071, 0.449, 0.5, 0.51? (a) 0.071 (b) 0.449 (c) 0.5 (d) 0.51
  39. 39.What is the value of the digit 6 in 27.634? (a) 0.06 (b) 6 (c) 0.006 (d) 0.6
  40. 40.Which is the smallest: 0.71, 0.086, 0.629, 0.7? (a) 0.71 (b) 0.086 (c) 0.629 (d) 0.7

Answer key

  1. 3
  2. 0.25
  3. 1
  4. 13.29
  5. 0.36
  6. 0.07
  7. 3.51
  8. 12.89
  9. 0.54
  10. 90
  11. 0.079
  12. 0.086
  13. 6.89
  14. 6.91
  15. 0.33
  16. 0.4
  17. 0.23
  18. 3.18
  19. 9.22
  20. 0.32
  21. 0.51
  22. 50
  23. 0.8
  24. 0.71
  25. 0.072
  26. 0.62
  27. 20
  28. 0.64
  29. 0.1
  30. 0.25
  31. 8.65
  32. 7
  33. 12.81
  34. 0.001
  35. 6.51
  36. 7.85
  37. 0.51
  38. 0.071
  39. 0.6
  40. 0.086

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