← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 278 · 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: 0.75, 0.638, 0.099, 0.7? (a) 0.75 (b) 0.638 (c) 0.099 (d) 0.7
  2. 2.What is the value of the digit 5 in 84.561? (a) 0.05 (b) 0.005 (c) 0.5 (d) 5
  3. 3.2.08 + 7.8 = ? (a) 2.86 (b) 9.98 (c) 9.78 (d) 9.88
  4. 4.Which is the smallest: 0.3, 0.264, 0.076, 0.38? (a) 0.3 (b) 0.264 (c) 0.076 (d) 0.38
  5. 5.3.62 + 5.1 = ? (a) 4.13 (b) 8.62 (c) 8.82 (d) 8.72
  6. 6.What is the value of the digit 6 in 62.418? (a) 0.6 (b) 6 (c) 0.06 (d) 60
  7. 7.8.19 + 4.5 = ? (a) 12.59 (b) 8.64 (c) 12.69 (d) 12.79
  8. 8.5.58 + 1.2 = ? (a) 6.88 (b) 6.68 (c) 6.78 (d) 5.7
  9. 9.What is the value of the digit 3 in 76.385? (a) 0.003 (b) 0.03 (c) 0.3 (d) 3
  10. 10.3.31 + 4.9 = ? (a) 8.21 (b) 8.31 (c) 3.8 (d) 8.11
  11. 11.What is the value of the digit 9 in 96.148? (a) 0.09 (b) 0.9 (c) 90 (d) 9
  12. 12.What is the value of the digit 9 in 72.894? (a) 9 (b) 0.009 (c) 0.9 (d) 0.09
  13. 13.What is the value of the digit 4 in 14.829? (a) 0.04 (b) 4 (c) 0.4 (d) 40
  14. 14.9.67 + 3.1 = ? (a) 12.77 (b) 12.67 (c) 12.87 (d) 9.98
  15. 15.What is the value of the digit 1 in 13.965? (a) 1 (b) 10 (c) 0.1 (d) 0.01
  16. 16.Which is the greatest: 0.044, 0.2, 0.165, 0.22? (a) 0.044 (b) 0.2 (c) 0.165 (d) 0.22
  17. 17.What is the value of the digit 9 in 53.879? (a) 9 (b) 0.009 (c) 0.9 (d) 0.09
  18. 18.Which is the smallest: 0.53, 0.035, 0.434, 0.5? (a) 0.53 (b) 0.035 (c) 0.434 (d) 0.5
  19. 19.What is the value of the digit 1 in 32.451? (a) 1 (b) 0.01 (c) 0.001 (d) 0.1
  20. 20.6.14 + 6.3 = ? (a) 12.44 (b) 12.54 (c) 12.34 (d) 6.77
  21. 21.What is the value of the digit 4 in 19.437? (a) 0.04 (b) 4 (c) 0.4 (d) 0.004
  22. 22.What is the value of the digit 8 in 38.629? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  23. 23.Which is the greatest: 0.014, 0.34, 0.288, 0.3? (a) 0.014 (b) 0.34 (c) 0.288 (d) 0.3
  24. 24.Which is the greatest: 0.094, 0.61, 0.6, 0.583? (a) 0.094 (b) 0.61 (c) 0.6 (d) 0.583
  25. 25.What is the value of the digit 2 in 37.925? (a) 0.2 (b) 2 (c) 0.02 (d) 0.002
  26. 26.Which is the smallest: 0.099, 0.88, 0.8, 0.791? (a) 0.099 (b) 0.88 (c) 0.8 (d) 0.791
  27. 27.What is the value of the digit 7 in 37.568? (a) 70 (b) 0.7 (c) 0.07 (d) 7
  28. 28.8.69 + 1.4 = ? (a) 10.09 (b) 8.83 (c) 9.99 (d) 10.19
  29. 29.6.82 + 4.7 = ? (a) 11.52 (b) 11.42 (c) 7.29 (d) 11.62
  30. 30.5.99 + 9.2 = ? (a) 6.91 (b) 15.29 (c) 15.09 (d) 15.19
  31. 31.1.32 + 8.2 = ? (a) 9.52 (b) 2.14 (c) 9.42 (d) 9.62
  32. 32.Which is the smallest: 0.691, 0.73, 0.033, 0.7? (a) 0.691 (b) 0.73 (c) 0.033 (d) 0.7
  33. 33.Which is the smallest: 0.071, 0.75, 0.637, 0.7? (a) 0.071 (b) 0.75 (c) 0.637 (d) 0.7
  34. 34.Which is the greatest: 0.077, 0.41, 0.398, 0.4? (a) 0.077 (b) 0.41 (c) 0.398 (d) 0.4
  35. 35.2.01 + 9.2 = ? (a) 11.31 (b) 11.11 (c) 2.93 (d) 11.21
  36. 36.9.26 + 6.6 = ? (a) 15.86 (b) 9.92 (c) 15.76 (d) 15.96
  37. 37.Which is the greatest: 0.029, 0.4, 0.46, 0.335? (a) 0.029 (b) 0.4 (c) 0.46 (d) 0.335
  38. 38.4.54 + 5.9 = ? (a) 10.44 (b) 10.34 (c) 5.13 (d) 10.54
  39. 39.Which is the smallest: 0.7, 0.071, 0.686, 0.71? (a) 0.7 (b) 0.071 (c) 0.686 (d) 0.71
  40. 40.1.97 + 1.7 = ? (a) 2.14 (b) 3.77 (c) 3.57 (d) 3.67

Answer key

  1. 0.75
  2. 0.5
  3. 9.88
  4. 0.076
  5. 8.72
  6. 60
  7. 12.69
  8. 6.78
  9. 0.3
  10. 8.21
  11. 90
  12. 0.09
  13. 4
  14. 12.77
  15. 10
  16. 0.22
  17. 0.009
  18. 0.035
  19. 0.001
  20. 12.44
  21. 0.4
  22. 8
  23. 0.34
  24. 0.61
  25. 0.02
  26. 0.099
  27. 7
  28. 10.09
  29. 11.52
  30. 15.19
  31. 9.52
  32. 0.033
  33. 0.071
  34. 0.41
  35. 11.21
  36. 15.86
  37. 0.46
  38. 10.44
  39. 0.071
  40. 3.67

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