← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 663 · 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. 1.8.98 + 5.6 = ? (a) 14.48 (b) 14.58 (c) 14.68 (d) 9.54
  2. 2.7.58 + 5.4 = ? (a) 13.08 (b) 8.12 (c) 12.88 (d) 12.98
  3. 3.Which is the greatest: 0.55, 0.467, 0.055, 0.5? (a) 0.55 (b) 0.467 (c) 0.055 (d) 0.5
  4. 4.What is the value of the digit 5 in 54.719? (a) 0.05 (b) 5 (c) 50 (d) 0.5
  5. 5.3.94 + 5.6 = ? (a) 9.54 (b) 9.44 (c) 4.5 (d) 9.64
  6. 6.4.18 + 8.1 = ? (a) 12.38 (b) 12.18 (c) 4.99 (d) 12.28
  7. 7.Which is the greatest: 0.8, 0.85, 0.011, 0.756? (a) 0.8 (b) 0.85 (c) 0.011 (d) 0.756
  8. 8.1.64 + 3.7 = ? (a) 5.24 (b) 5.34 (c) 5.44 (d) 2.01
  9. 9.4.98 + 1.7 = ? (a) 6.68 (b) 6.58 (c) 5.15 (d) 6.78
  10. 10.What is the value of the digit 6 in 94.156? (a) 0.006 (b) 6 (c) 0.06 (d) 0.6
  11. 11.Which is the greatest: 0.26, 0.2, 0.025, 0.118? (a) 0.26 (b) 0.2 (c) 0.025 (d) 0.118
  12. 12.1.41 + 4.6 = ? (a) 6.01 (b) 1.87 (c) 5.91 (d) 6.11
  13. 13.Which is the smallest: 0.86, 0.726, 0.033, 0.8? (a) 0.86 (b) 0.726 (c) 0.033 (d) 0.8
  14. 14.Which is the greatest: 0.7, 0.661, 0.086, 0.75? (a) 0.7 (b) 0.661 (c) 0.086 (d) 0.75
  15. 15.7.42 + 5.1 = ? (a) 7.93 (b) 12.42 (c) 12.52 (d) 12.62
  16. 16.6.26 + 5.6 = ? (a) 11.86 (b) 6.82 (c) 11.76 (d) 11.96
  17. 17.What is the value of the digit 4 in 48.163? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  18. 18.2.05 + 7.1 = ? (a) 9.25 (b) 9.15 (c) 2.76 (d) 9.05
  19. 19.8.17 + 2.1 = ? (a) 10.17 (b) 8.38 (c) 10.27 (d) 10.37
  20. 20.6.92 + 3.3 = ? (a) 10.12 (b) 10.32 (c) 10.22 (d) 7.25
  21. 21.2.55 + 6.3 = ? (a) 8.75 (b) 8.85 (c) 8.95 (d) 3.18
  22. 22.What is the value of the digit 1 in 12.347? (a) 1 (b) 0.1 (c) 0.01 (d) 10
  23. 23.5.11 + 1.6 = ? (a) 6.81 (b) 6.71 (c) 6.61 (d) 5.27
  24. 24.Which is the greatest: 0.4, 0.021, 0.386, 0.44? (a) 0.4 (b) 0.021 (c) 0.386 (d) 0.44
  25. 25.What is the value of the digit 3 in 92.734? (a) 0.003 (b) 3 (c) 0.03 (d) 0.3
  26. 26.What is the value of the digit 8 in 19.758? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  27. 27.Which is the greatest: 0.58, 0.058, 0.447, 0.5? (a) 0.58 (b) 0.058 (c) 0.447 (d) 0.5
  28. 28.3.73 + 1.1 = ? (a) 4.93 (b) 4.83 (c) 4.73 (d) 3.84
  29. 29.9.74 + 1.9 = ? (a) 11.64 (b) 9.93 (c) 11.54 (d) 11.74
  30. 30.What is the value of the digit 1 in 49.617? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  31. 31.9.72 + 1.8 = ? (a) 11.42 (b) 11.52 (c) 9.9 (d) 11.62
  32. 32.1.52 + 6.5 = ? (a) 8.12 (b) 8.02 (c) 7.92 (d) 2.17
  33. 33.What is the value of the digit 3 in 17.653? (a) 0.003 (b) 0.3 (c) 0.03 (d) 3
  34. 34.Which is the greatest: 0.437, 0.069, 0.52, 0.5? (a) 0.437 (b) 0.069 (c) 0.52 (d) 0.5
  35. 35.7.38 + 9.6 = ? (a) 16.88 (b) 17.08 (c) 8.34 (d) 16.98
  36. 36.Which is the greatest: 0.6, 0.65, 0.571, 0.012? (a) 0.6 (b) 0.65 (c) 0.571 (d) 0.012
  37. 37.Which is the smallest: 0.018, 0.771, 0.88, 0.8? (a) 0.018 (b) 0.771 (c) 0.88 (d) 0.8
  38. 38.Which is the smallest: 0.039, 0.68, 0.6, 0.573? (a) 0.039 (b) 0.68 (c) 0.6 (d) 0.573
  39. 39.9.73 + 6.9 = ? (a) 10.42 (b) 16.53 (c) 16.73 (d) 16.63
  40. 40.8.71 + 3.3 = ? (a) 12.11 (b) 11.91 (c) 12.01 (d) 9.04

Answer key

  1. 14.58
  2. 12.98
  3. 0.55
  4. 50
  5. 9.54
  6. 12.28
  7. 0.85
  8. 5.34
  9. 6.68
  10. 0.006
  11. 0.26
  12. 6.01
  13. 0.033
  14. 0.75
  15. 12.52
  16. 11.86
  17. 40
  18. 9.15
  19. 10.27
  20. 10.22
  21. 8.85
  22. 10
  23. 6.71
  24. 0.44
  25. 0.03
  26. 0.008
  27. 0.58
  28. 4.83
  29. 11.64
  30. 0.01
  31. 11.52
  32. 8.02
  33. 0.003
  34. 0.52
  35. 16.98
  36. 0.65
  37. 0.018
  38. 0.039
  39. 16.63
  40. 12.01

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