← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 266 · 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. 1.7.25 + 1.3 = ? (a) 7.38 (b) 8.65 (c) 8.55 (d) 8.45
  2. 2.What is the value of the digit 1 in 84.132? (a) 0.001 (b) 0.01 (c) 0.1 (d) 1
  3. 3.What is the value of the digit 1 in 81.746? (a) 10 (b) 0.1 (c) 1 (d) 0.01
  4. 4.Which is the greatest: 0.5, 0.466, 0.023, 0.58? (a) 0.5 (b) 0.466 (c) 0.023 (d) 0.58
  5. 5.What is the value of the digit 5 in 28.659? (a) 0.5 (b) 5 (c) 0.005 (d) 0.05
  6. 6.Which is the greatest: 0.063, 0.796, 0.82, 0.8? (a) 0.063 (b) 0.796 (c) 0.82 (d) 0.8
  7. 7.Which is the smallest: 0.235, 0.32, 0.077, 0.3? (a) 0.235 (b) 0.32 (c) 0.077 (d) 0.3
  8. 8.Which is the greatest: 0.2, 0.21, 0.036, 0.162? (a) 0.2 (b) 0.21 (c) 0.036 (d) 0.162
  9. 9.What is the value of the digit 5 in 53.679? (a) 0.05 (b) 5 (c) 0.5 (d) 50
  10. 10.Which is the smallest: 0.026, 0.6, 0.554, 0.62? (a) 0.026 (b) 0.6 (c) 0.554 (d) 0.62
  11. 11.8.12 + 7.6 = ? (a) 15.62 (b) 15.72 (c) 15.82 (d) 8.88
  12. 12.What is the value of the digit 5 in 45.831? (a) 50 (b) 5 (c) 0.5 (d) 0.05
  13. 13.3.49 + 2.5 = ? (a) 3.74 (b) 6.09 (c) 5.89 (d) 5.99
  14. 14.What is the value of the digit 8 in 36.829? (a) 0.008 (b) 0.8 (c) 0.08 (d) 8
  15. 15.Which is the greatest: 0.5, 0.499, 0.074, 0.59? (a) 0.5 (b) 0.499 (c) 0.074 (d) 0.59
  16. 16.What is the value of the digit 3 in 13.627? (a) 30 (b) 0.03 (c) 0.3 (d) 3
  17. 17.What is the value of the digit 6 in 21.648? (a) 6 (b) 0.006 (c) 0.06 (d) 0.6
  18. 18.5.21 + 8.1 = ? (a) 13.31 (b) 13.41 (c) 13.21 (d) 6.02
  19. 19.What is the value of the digit 1 in 45.198? (a) 0.1 (b) 0.001 (c) 1 (d) 0.01
  20. 20.4.04 + 2.4 = ? (a) 6.34 (b) 6.54 (c) 6.44 (d) 4.28
  21. 21.What is the value of the digit 3 in 73.649? (a) 0.03 (b) 0.3 (c) 3 (d) 30
  22. 22.1.15 + 7.7 = ? (a) 1.92 (b) 8.95 (c) 8.75 (d) 8.85
  23. 23.What is the value of the digit 7 in 91.487? (a) 0.07 (b) 0.7 (c) 7 (d) 0.007
  24. 24.Which is the greatest: 0.584, 0.025, 0.64, 0.6? (a) 0.584 (b) 0.025 (c) 0.64 (d) 0.6
  25. 25.What is the value of the digit 5 in 24.538? (a) 0.5 (b) 0.05 (c) 0.005 (d) 5
  26. 26.What is the value of the digit 9 in 19.632? (a) 90 (b) 0.9 (c) 0.09 (d) 9
  27. 27.Which is the smallest: 0.051, 0.49, 0.379, 0.4? (a) 0.051 (b) 0.49 (c) 0.379 (d) 0.4
  28. 28.What is the value of the digit 7 in 71.295? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  29. 29.What is the value of the digit 8 in 43.182? (a) 8 (b) 0.08 (c) 0.008 (d) 0.8
  30. 30.9.97 + 9.7 = ? (a) 19.77 (b) 19.57 (c) 10.94 (d) 19.67
  31. 31.What is the value of the digit 9 in 85.397? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  32. 32.2.72 + 2.2 = ? (a) 4.82 (b) 5.02 (c) 2.94 (d) 4.92
  33. 33.What is the value of the digit 7 in 87.952? (a) 0.07 (b) 70 (c) 7 (d) 0.7
  34. 34.What is the value of the digit 4 in 96.342? (a) 0.4 (b) 0.004 (c) 4 (d) 0.04
  35. 35.3.45 + 3.2 = ? (a) 3.77 (b) 6.65 (c) 6.75 (d) 6.55
  36. 36.Which is the smallest: 0.096, 0.2, 0.24, 0.115? (a) 0.096 (b) 0.2 (c) 0.24 (d) 0.115
  37. 37.What is the value of the digit 5 in 72.589? (a) 5 (b) 0.5 (c) 0.05 (d) 0.005
  38. 38.Which is the greatest: 0.091, 0.744, 0.83, 0.8? (a) 0.091 (b) 0.744 (c) 0.83 (d) 0.8
  39. 39.9.95 + 4.7 = ? (a) 14.65 (b) 14.75 (c) 10.42 (d) 14.55
  40. 40.6.29 + 6.4 = ? (a) 6.93 (b) 12.79 (c) 12.59 (d) 12.69

Answer key

  1. 8.55
  2. 0.1
  3. 1
  4. 0.58
  5. 0.05
  6. 0.82
  7. 0.077
  8. 0.21
  9. 50
  10. 0.026
  11. 15.72
  12. 5
  13. 5.99
  14. 0.8
  15. 0.59
  16. 3
  17. 0.6
  18. 13.31
  19. 0.1
  20. 6.44
  21. 3
  22. 8.85
  23. 0.007
  24. 0.64
  25. 0.5
  26. 9
  27. 0.051
  28. 70
  29. 0.08
  30. 19.67
  31. 0.09
  32. 4.92
  33. 7
  34. 0.04
  35. 6.65
  36. 0.096
  37. 0.5
  38. 0.83
  39. 14.65
  40. 12.69

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad