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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 78 · 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 2 in 46.872? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  2. 2.Which is the smallest: 0.095, 0.86, 0.8, 0.784? (a) 0.095 (b) 0.86 (c) 0.8 (d) 0.784
  3. 3.What is the value of the digit 1 in 42.517? (a) 0.001 (b) 0.1 (c) 0.01 (d) 1
  4. 4.Which is the greatest: 0.037, 0.8, 0.83, 0.723? (a) 0.037 (b) 0.8 (c) 0.83 (d) 0.723
  5. 5.What is the value of the digit 2 in 71.826? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  6. 6.Which is the greatest: 0.048, 0.42, 0.4, 0.395? (a) 0.048 (b) 0.42 (c) 0.4 (d) 0.395
  7. 7.What is the value of the digit 4 in 41.826? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  8. 8.Which is the smallest: 0.24, 0.114, 0.071, 0.2? (a) 0.24 (b) 0.114 (c) 0.071 (d) 0.2
  9. 9.What is the value of the digit 9 in 29.137? (a) 90 (b) 9 (c) 0.09 (d) 0.9
  10. 10.Which is the smallest: 0.084, 0.34, 0.3, 0.263? (a) 0.084 (b) 0.34 (c) 0.3 (d) 0.263
  11. 11.What is the value of the digit 4 in 46.978? (a) 0.04 (b) 0.4 (c) 40 (d) 4
  12. 12.Which is the greatest: 0.183, 0.26, 0.2, 0.026? (a) 0.183 (b) 0.26 (c) 0.2 (d) 0.026
  13. 13.What is the value of the digit 8 in 17.385? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  14. 14.Which is the smallest: 0.012, 0.6, 0.68, 0.512? (a) 0.012 (b) 0.6 (c) 0.68 (d) 0.512
  15. 15.What is the value of the digit 6 in 26.387? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  16. 16.5.11 + 1.4 = ? (a) 5.25 (b) 6.51 (c) 6.41 (d) 6.61
  17. 17.5.37 + 3.9 = ? (a) 9.27 (b) 5.76 (c) 9.17 (d) 9.37
  18. 18.What is the value of the digit 3 in 39.761? (a) 0.3 (b) 30 (c) 0.03 (d) 3
  19. 19.2.98 + 1.3 = ? (a) 4.18 (b) 3.11 (c) 4.28 (d) 4.38
  20. 20.Which is the smallest: 0.77, 0.665, 0.7, 0.048? (a) 0.77 (b) 0.665 (c) 0.7 (d) 0.048
  21. 21.Which is the greatest: 0.493, 0.049, 0.5, 0.52? (a) 0.493 (b) 0.049 (c) 0.5 (d) 0.52
  22. 22.Which is the smallest: 0.041, 0.285, 0.35, 0.3? (a) 0.041 (b) 0.285 (c) 0.35 (d) 0.3
  23. 23.1.34 + 9.4 = ? (a) 10.74 (b) 10.84 (c) 2.28 (d) 10.64
  24. 24.Which is the smallest: 0.715, 0.035, 0.81, 0.8? (a) 0.715 (b) 0.035 (c) 0.81 (d) 0.8
  25. 25.1.49 + 5.1 = ? (a) 2 (b) 6.69 (c) 6.59 (d) 6.49
  26. 26.Which is the smallest: 0.633, 0.047, 0.7, 0.78? (a) 0.633 (b) 0.047 (c) 0.7 (d) 0.78
  27. 27.5.91 + 6.5 = ? (a) 6.56 (b) 12.41 (c) 12.31 (d) 12.51
  28. 28.Which is the greatest: 0.41, 0.311, 0.4, 0.081? (a) 0.41 (b) 0.311 (c) 0.4 (d) 0.081
  29. 29.What is the value of the digit 2 in 26.853? (a) 0.2 (b) 20 (c) 0.02 (d) 2
  30. 30.2.09 + 8.9 = ? (a) 10.99 (b) 2.98 (c) 11.09 (d) 10.89
  31. 31.Which is the greatest: 0.113, 0.045, 0.23, 0.2? (a) 0.113 (b) 0.045 (c) 0.23 (d) 0.2
  32. 32.9.63 + 1.5 = ? (a) 11.23 (b) 11.03 (c) 9.78 (d) 11.13
  33. 33.Which is the smallest: 0.77, 0.7, 0.053, 0.613? (a) 0.77 (b) 0.7 (c) 0.053 (d) 0.613
  34. 34.What is the value of the digit 7 in 96.271? (a) 0.7 (b) 0.007 (c) 0.07 (d) 7
  35. 35.4.03 + 2.9 = ? (a) 6.93 (b) 4.32 (c) 6.83 (d) 7.03
  36. 36.8.15 + 7.1 = ? (a) 15.35 (b) 8.86 (c) 15.15 (d) 15.25
  37. 37.Which is the smallest: 0.295, 0.33, 0.3, 0.039? (a) 0.295 (b) 0.33 (c) 0.3 (d) 0.039
  38. 38.What is the value of the digit 2 in 42.897? (a) 0.2 (b) 20 (c) 0.02 (d) 2
  39. 39.1.51 + 2.1 = ? (a) 3.71 (b) 1.72 (c) 3.51 (d) 3.61
  40. 40.2.64 + 1.5 = ? (a) 4.24 (b) 4.14 (c) 4.04 (d) 2.79

Answer key

  1. 0.002
  2. 0.095
  3. 0.01
  4. 0.83
  5. 0.02
  6. 0.42
  7. 40
  8. 0.071
  9. 9
  10. 0.084
  11. 40
  12. 0.26
  13. 0.08
  14. 0.012
  15. 6
  16. 6.51
  17. 9.27
  18. 30
  19. 4.28
  20. 0.048
  21. 0.52
  22. 0.041
  23. 10.74
  24. 0.035
  25. 6.59
  26. 0.047
  27. 12.41
  28. 0.41
  29. 20
  30. 10.99
  31. 0.23
  32. 11.13
  33. 0.053
  34. 0.07
  35. 6.93
  36. 15.25
  37. 0.039
  38. 2
  39. 3.61
  40. 4.14

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