← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 883 · 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.Which is the smallest: 0.161, 0.2, 0.24, 0.072? (a) 0.161 (b) 0.2 (c) 0.24 (d) 0.072
  2. 2.5.47 + 3.5 = ? (a) 5.82 (b) 8.97 (c) 8.87 (d) 9.07
  3. 3.3.34 + 4.9 = ? (a) 8.14 (b) 8.34 (c) 3.83 (d) 8.24
  4. 4.8.97 + 4.7 = ? (a) 9.44 (b) 13.77 (c) 13.57 (d) 13.67
  5. 5.What is the value of the digit 2 in 85.629? (a) 0.2 (b) 2 (c) 0.002 (d) 0.02
  6. 6.3.86 + 8.1 = ? (a) 11.86 (b) 11.96 (c) 12.06 (d) 4.67
  7. 7.What is the value of the digit 8 in 51.248? (a) 0.8 (b) 0.08 (c) 8 (d) 0.008
  8. 8.What is the value of the digit 7 in 16.274? (a) 0.7 (b) 7 (c) 0.07 (d) 0.007
  9. 9.Which is the greatest: 0.093, 0.86, 0.8, 0.762? (a) 0.093 (b) 0.86 (c) 0.8 (d) 0.762
  10. 10.Which is the smallest: 0.45, 0.077, 0.4, 0.343? (a) 0.45 (b) 0.077 (c) 0.4 (d) 0.343
  11. 11.What is the value of the digit 9 in 13.498? (a) 9 (b) 0.009 (c) 0.09 (d) 0.9
  12. 12.Which is the greatest: 0.131, 0.069, 0.2, 0.28? (a) 0.131 (b) 0.069 (c) 0.2 (d) 0.28
  13. 13.What is the value of the digit 7 in 98.473? (a) 0.007 (b) 0.7 (c) 7 (d) 0.07
  14. 14.1.52 + 7.8 = ? (a) 2.3 (b) 9.22 (c) 9.32 (d) 9.42
  15. 15.Which is the greatest: 0.3, 0.225, 0.072, 0.32? (a) 0.3 (b) 0.225 (c) 0.072 (d) 0.32
  16. 16.What is the value of the digit 7 in 39.174? (a) 7 (b) 0.007 (c) 0.7 (d) 0.07
  17. 17.1.86 + 5.3 = ? (a) 7.06 (b) 7.26 (c) 2.39 (d) 7.16
  18. 18.What is the value of the digit 3 in 92.375? (a) 0.003 (b) 0.03 (c) 3 (d) 0.3
  19. 19.8.01 + 4.4 = ? (a) 12.41 (b) 12.51 (c) 12.31 (d) 8.45
  20. 20.What is the value of the digit 8 in 18.534? (a) 8 (b) 0.08 (c) 80 (d) 0.8
  21. 21.What is the value of the digit 7 in 49.173? (a) 0.007 (b) 0.7 (c) 0.07 (d) 7
  22. 22.What is the value of the digit 9 in 43.916? (a) 0.9 (b) 0.09 (c) 0.009 (d) 9
  23. 23.What is the value of the digit 9 in 91.845? (a) 90 (b) 9 (c) 0.9 (d) 0.09
  24. 24.What is the value of the digit 1 in 87.145? (a) 0.1 (b) 0.01 (c) 0.001 (d) 1
  25. 25.Which is the smallest: 0.031, 0.233, 0.3, 0.39? (a) 0.031 (b) 0.233 (c) 0.3 (d) 0.39
  26. 26.2.61 + 1.8 = ? (a) 4.31 (b) 4.41 (c) 4.51 (d) 2.79
  27. 27.What is the value of the digit 2 in 27.351? (a) 0.02 (b) 2 (c) 20 (d) 0.2
  28. 28.Which is the greatest: 0.314, 0.4, 0.47, 0.013? (a) 0.314 (b) 0.4 (c) 0.47 (d) 0.013
  29. 29.8.45 + 6.6 = ? (a) 15.15 (b) 15.05 (c) 9.11 (d) 14.95
  30. 30.What is the value of the digit 9 in 29.431? (a) 0.09 (b) 90 (c) 9 (d) 0.9
  31. 31.4.12 + 6.4 = ? (a) 10.52 (b) 4.76 (c) 10.62 (d) 10.42
  32. 32.Which is the greatest: 0.078, 0.8, 0.85, 0.781? (a) 0.078 (b) 0.8 (c) 0.85 (d) 0.781
  33. 33.9.32 + 5.1 = ? (a) 14.42 (b) 14.52 (c) 14.32 (d) 9.83
  34. 34.5.71 + 1.8 = ? (a) 7.41 (b) 7.61 (c) 7.51 (d) 5.89
  35. 35.Which is the smallest: 0.186, 0.23, 0.2, 0.078? (a) 0.186 (b) 0.23 (c) 0.2 (d) 0.078
  36. 36.Which is the greatest: 0.588, 0.65, 0.055, 0.6? (a) 0.588 (b) 0.65 (c) 0.055 (d) 0.6
  37. 37.Which is the greatest: 0.311, 0.43, 0.042, 0.4? (a) 0.311 (b) 0.43 (c) 0.042 (d) 0.4
  38. 38.Which is the smallest: 0.32, 0.047, 0.299, 0.3? (a) 0.32 (b) 0.047 (c) 0.299 (d) 0.3
  39. 39.5.41 + 4.7 = ? (a) 5.88 (b) 10.01 (c) 10.11 (d) 10.21
  40. 40.Which is the smallest: 0.323, 0.046, 0.4, 0.45? (a) 0.323 (b) 0.046 (c) 0.4 (d) 0.45

Answer key

  1. 0.072
  2. 8.97
  3. 8.24
  4. 13.67
  5. 0.02
  6. 11.96
  7. 0.008
  8. 0.07
  9. 0.86
  10. 0.077
  11. 0.09
  12. 0.28
  13. 0.07
  14. 9.32
  15. 0.32
  16. 0.07
  17. 7.16
  18. 0.3
  19. 12.41
  20. 8
  21. 0.07
  22. 0.9
  23. 90
  24. 0.1
  25. 0.031
  26. 4.41
  27. 20
  28. 0.47
  29. 15.05
  30. 9
  31. 10.52
  32. 0.85
  33. 14.42
  34. 7.51
  35. 0.078
  36. 0.65
  37. 0.43
  38. 0.047
  39. 10.11
  40. 0.046

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