← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 318 · 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 greatest: 0.022, 0.7, 0.74, 0.636? (a) 0.022 (b) 0.7 (c) 0.74 (d) 0.636
  2. 2.What is the value of the digit 7 in 91.357? (a) 7 (b) 0.07 (c) 0.007 (d) 0.7
  3. 3.3.28 + 6.9 = ? (a) 10.18 (b) 10.28 (c) 10.08 (d) 3.97
  4. 4.7.46 + 1.7 = ? (a) 9.06 (b) 9.16 (c) 9.26 (d) 7.63
  5. 5.What is the value of the digit 7 in 78.631? (a) 0.07 (b) 70 (c) 7 (d) 0.7
  6. 6.4.86 + 4.5 = ? (a) 9.46 (b) 5.31 (c) 9.36 (d) 9.26
  7. 7.What is the value of the digit 8 in 68.739? (a) 0.8 (b) 0.08 (c) 8 (d) 80
  8. 8.Which is the smallest: 0.73, 0.063, 0.682, 0.7? (a) 0.73 (b) 0.063 (c) 0.682 (d) 0.7
  9. 9.7.17 + 3.6 = ? (a) 7.53 (b) 10.87 (c) 10.77 (d) 10.67
  10. 10.What is the value of the digit 4 in 37.248? (a) 0.004 (b) 4 (c) 0.4 (d) 0.04
  11. 11.1.94 + 4.9 = ? (a) 6.94 (b) 6.74 (c) 2.43 (d) 6.84
  12. 12.What is the value of the digit 2 in 54.261? (a) 0.02 (b) 2 (c) 0.002 (d) 0.2
  13. 13.3.11 + 2.9 = ? (a) 5.91 (b) 6.01 (c) 3.4 (d) 6.11
  14. 14.What is the value of the digit 5 in 54.269? (a) 5 (b) 0.5 (c) 0.05 (d) 50
  15. 15.Which is the greatest: 0.038, 0.2, 0.23, 0.119? (a) 0.038 (b) 0.2 (c) 0.23 (d) 0.119
  16. 16.9.61 + 1.2 = ? (a) 10.91 (b) 10.71 (c) 9.73 (d) 10.81
  17. 17.What is the value of the digit 8 in 13.847? (a) 8 (b) 0.008 (c) 0.8 (d) 0.08
  18. 18.What is the value of the digit 6 in 36.917? (a) 0.06 (b) 60 (c) 0.6 (d) 6
  19. 19.5.38 + 3.4 = ? (a) 5.72 (b) 8.78 (c) 8.88 (d) 8.68
  20. 20.1.59 + 5.2 = ? (a) 6.69 (b) 6.79 (c) 2.11 (d) 6.89
  21. 21.Which is the greatest: 0.082, 0.78, 0.7, 0.689? (a) 0.082 (b) 0.78 (c) 0.7 (d) 0.689
  22. 22.Which is the smallest: 0.25, 0.194, 0.2, 0.043? (a) 0.25 (b) 0.194 (c) 0.2 (d) 0.043
  23. 23.4.47 + 4.5 = ? (a) 8.97 (b) 4.92 (c) 8.87 (d) 9.07
  24. 24.Which is the greatest: 0.66, 0.6, 0.022, 0.591? (a) 0.66 (b) 0.6 (c) 0.022 (d) 0.591
  25. 25.Which is the smallest: 0.87, 0.083, 0.734, 0.8? (a) 0.87 (b) 0.083 (c) 0.734 (d) 0.8
  26. 26.7.57 + 8.1 = ? (a) 15.67 (b) 8.38 (c) 15.77 (d) 15.57
  27. 27.Which is the greatest: 0.132, 0.069, 0.2, 0.28? (a) 0.132 (b) 0.069 (c) 0.2 (d) 0.28
  28. 28.8.54 + 3.1 = ? (a) 11.54 (b) 8.85 (c) 11.74 (d) 11.64
  29. 29.3.12 + 8.3 = ? (a) 11.32 (b) 11.42 (c) 11.52 (d) 3.95
  30. 30.What is the value of the digit 3 in 35.278? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  31. 31.Which is the smallest: 0.73, 0.032, 0.662, 0.7? (a) 0.73 (b) 0.032 (c) 0.662 (d) 0.7
  32. 32.What is the value of the digit 6 in 61.529? (a) 60 (b) 0.6 (c) 6 (d) 0.06
  33. 33.Which is the smallest: 0.43, 0.092, 0.367, 0.4? (a) 0.43 (b) 0.092 (c) 0.367 (d) 0.4
  34. 34.Which is the smallest: 0.012, 0.48, 0.354, 0.4? (a) 0.012 (b) 0.48 (c) 0.354 (d) 0.4
  35. 35.4.24 + 6.9 = ? (a) 4.93 (b) 11.24 (c) 11.14 (d) 11.04
  36. 36.5.91 + 5.3 = ? (a) 11.11 (b) 11.31 (c) 6.44 (d) 11.21
  37. 37.Which is the greatest: 0.88, 0.085, 0.741, 0.8? (a) 0.88 (b) 0.085 (c) 0.741 (d) 0.8
  38. 38.7.22 + 7.3 = ? (a) 7.95 (b) 14.62 (c) 14.42 (d) 14.52
  39. 39.Which is the greatest: 0.6, 0.537, 0.69, 0.023? (a) 0.6 (b) 0.537 (c) 0.69 (d) 0.023
  40. 40.3.31 + 6.4 = ? (a) 9.81 (b) 9.71 (c) 3.95 (d) 9.61

Answer key

  1. 0.74
  2. 0.007
  3. 10.18
  4. 9.16
  5. 70
  6. 9.36
  7. 8
  8. 0.063
  9. 10.77
  10. 0.04
  11. 6.84
  12. 0.2
  13. 6.01
  14. 50
  15. 0.23
  16. 10.81
  17. 0.8
  18. 6
  19. 8.78
  20. 6.79
  21. 0.78
  22. 0.043
  23. 8.97
  24. 0.66
  25. 0.083
  26. 15.67
  27. 0.28
  28. 11.64
  29. 11.42
  30. 30
  31. 0.032
  32. 60
  33. 0.092
  34. 0.012
  35. 11.14
  36. 11.21
  37. 0.88
  38. 14.52
  39. 0.69
  40. 9.71

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