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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 236 · 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 7 in 37.618? (a) 0.07 (b) 7 (c) 70 (d) 0.7
  2. 2.1.54 + 2.6 = ? (a) 4.04 (b) 4.24 (c) 1.8 (d) 4.14
  3. 3.9.32 + 5.7 = ? (a) 9.89 (b) 14.92 (c) 15.12 (d) 15.02
  4. 4.What is the value of the digit 6 in 65.784? (a) 0.6 (b) 60 (c) 6 (d) 0.06
  5. 5.What is the value of the digit 4 in 37.624? (a) 0.004 (b) 4 (c) 0.04 (d) 0.4
  6. 6.1.13 + 8.9 = ? (a) 9.93 (b) 10.13 (c) 10.03 (d) 2.02
  7. 7.9.38 + 9.9 = ? (a) 19.18 (b) 19.38 (c) 10.37 (d) 19.28
  8. 8.1.47 + 6.5 = ? (a) 7.97 (b) 2.12 (c) 7.87 (d) 8.07
  9. 9.7.57 + 3.5 = ? (a) 11.07 (b) 10.97 (c) 11.17 (d) 7.92
  10. 10.Which is the greatest: 0.623, 0.71, 0.7, 0.064? (a) 0.623 (b) 0.71 (c) 0.7 (d) 0.064
  11. 11.What is the value of the digit 2 in 95.862? (a) 2 (b) 0.02 (c) 0.002 (d) 0.2
  12. 12.What is the value of the digit 6 in 67.145? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  13. 13.Which is the greatest: 0.027, 0.151, 0.22, 0.2? (a) 0.027 (b) 0.151 (c) 0.22 (d) 0.2
  14. 14.Which is the smallest: 0.031, 0.6, 0.69, 0.595? (a) 0.031 (b) 0.6 (c) 0.69 (d) 0.595
  15. 15.7.43 + 4.4 = ? (a) 11.83 (b) 7.87 (c) 11.93 (d) 11.73
  16. 16.8.34 + 7.3 = ? (a) 15.54 (b) 15.74 (c) 15.64 (d) 9.07
  17. 17.6.84 + 4.1 = ? (a) 10.84 (b) 10.94 (c) 7.25 (d) 11.04
  18. 18.8.85 + 3.1 = ? (a) 11.85 (b) 12.05 (c) 9.16 (d) 11.95
  19. 19.What is the value of the digit 5 in 13.546? (a) 5 (b) 0.005 (c) 0.5 (d) 0.05
  20. 20.5.81 + 3.9 = ? (a) 9.61 (b) 6.2 (c) 9.71 (d) 9.81
  21. 21.4.45 + 3.1 = ? (a) 7.55 (b) 4.76 (c) 7.45 (d) 7.65
  22. 22.3.84 + 1.1 = ? (a) 4.84 (b) 3.95 (c) 5.04 (d) 4.94
  23. 23.What is the value of the digit 8 in 24.861? (a) 0.008 (b) 8 (c) 0.08 (d) 0.8
  24. 24.What is the value of the digit 6 in 23.659? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  25. 25.Which is the greatest: 0.086, 0.6, 0.593, 0.62? (a) 0.086 (b) 0.6 (c) 0.593 (d) 0.62
  26. 26.3.31 + 6.4 = ? (a) 9.71 (b) 9.81 (c) 3.95 (d) 9.61
  27. 27.6.89 + 8.4 = ? (a) 15.39 (b) 7.73 (c) 15.29 (d) 15.19
  28. 28.1.57 + 6.4 = ? (a) 2.21 (b) 8.07 (c) 7.97 (d) 7.87
  29. 29.9.01 + 3.6 = ? (a) 9.37 (b) 12.71 (c) 12.51 (d) 12.61
  30. 30.What is the value of the digit 2 in 13.825? (a) 0.02 (b) 2 (c) 0.2 (d) 0.002
  31. 31.Which is the greatest: 0.8, 0.045, 0.86, 0.772? (a) 0.8 (b) 0.045 (c) 0.86 (d) 0.772
  32. 32.What is the value of the digit 2 in 17.529? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  33. 33.Which is the smallest: 0.4, 0.43, 0.315, 0.067? (a) 0.4 (b) 0.43 (c) 0.315 (d) 0.067
  34. 34.What is the value of the digit 6 in 67.398? (a) 60 (b) 6 (c) 0.6 (d) 0.06
  35. 35.7.74 + 9.1 = ? (a) 16.84 (b) 8.65 (c) 16.94 (d) 16.74
  36. 36.What is the value of the digit 9 in 49.861? (a) 90 (b) 9 (c) 0.9 (d) 0.09
  37. 37.What is the value of the digit 8 in 19.875? (a) 0.08 (b) 8 (c) 0.8 (d) 0.008
  38. 38.9.66 + 4.6 = ? (a) 14.36 (b) 14.26 (c) 10.12 (d) 14.16
  39. 39.Which is the greatest: 0.36, 0.3, 0.039, 0.248? (a) 0.36 (b) 0.3 (c) 0.039 (d) 0.248
  40. 40.9.31 + 3.1 = ? (a) 9.62 (b) 12.41 (c) 12.51 (d) 12.31

Answer key

  1. 7
  2. 4.14
  3. 15.02
  4. 60
  5. 0.004
  6. 10.03
  7. 19.28
  8. 7.97
  9. 11.07
  10. 0.71
  11. 0.002
  12. 60
  13. 0.22
  14. 0.031
  15. 11.83
  16. 15.64
  17. 10.94
  18. 11.95
  19. 0.5
  20. 9.71
  21. 7.55
  22. 4.94
  23. 0.8
  24. 0.6
  25. 0.62
  26. 9.71
  27. 15.29
  28. 7.97
  29. 12.61
  30. 0.02
  31. 0.86
  32. 0.02
  33. 0.067
  34. 60
  35. 16.84
  36. 9
  37. 0.8
  38. 14.26
  39. 0.36
  40. 12.41

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