← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 693 · 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. 1.5.01 + 3.1 = ? (a) 8.11 (b) 8.01 (c) 5.32 (d) 8.21
  2. 2.What is the value of the digit 3 in 89.325? (a) 0.03 (b) 0.3 (c) 3 (d) 0.003
  3. 3.What is the value of the digit 9 in 59.814? (a) 9 (b) 0.09 (c) 0.9 (d) 90
  4. 4.What is the value of the digit 4 in 54.693? (a) 0.04 (b) 40 (c) 0.4 (d) 4
  5. 5.Which is the smallest: 0.4, 0.012, 0.43, 0.331? (a) 0.4 (b) 0.012 (c) 0.43 (d) 0.331
  6. 6.Which is the smallest: 0.455, 0.56, 0.088, 0.5? (a) 0.455 (b) 0.56 (c) 0.088 (d) 0.5
  7. 7.4.01 + 5.1 = ? (a) 4.52 (b) 9.01 (c) 9.21 (d) 9.11
  8. 8.Which is the smallest: 0.82, 0.8, 0.711, 0.081? (a) 0.82 (b) 0.8 (c) 0.711 (d) 0.081
  9. 9.4.49 + 1.6 = ? (a) 5.99 (b) 6.19 (c) 6.09 (d) 4.65
  10. 10.2.67 + 1.1 = ? (a) 2.78 (b) 3.77 (c) 3.87 (d) 3.67
  11. 11.What is the value of the digit 7 in 86.173? (a) 0.7 (b) 7 (c) 0.007 (d) 0.07
  12. 12.Which is the smallest: 0.52, 0.084, 0.455, 0.5? (a) 0.52 (b) 0.084 (c) 0.455 (d) 0.5
  13. 13.Which is the smallest: 0.7, 0.73, 0.664, 0.091? (a) 0.7 (b) 0.73 (c) 0.664 (d) 0.091
  14. 14.7.05 + 9.3 = ? (a) 7.98 (b) 16.25 (c) 16.35 (d) 16.45
  15. 15.What is the value of the digit 5 in 52.471? (a) 5 (b) 50 (c) 0.5 (d) 0.05
  16. 16.What is the value of the digit 4 in 74.268? (a) 0.04 (b) 40 (c) 4 (d) 0.4
  17. 17.Which is the greatest: 0.8, 0.035, 0.781, 0.85? (a) 0.8 (b) 0.035 (c) 0.781 (d) 0.85
  18. 18.Which is the greatest: 0.23, 0.091, 0.2, 0.165? (a) 0.23 (b) 0.091 (c) 0.2 (d) 0.165
  19. 19.9.78 + 8.1 = ? (a) 10.59 (b) 17.88 (c) 17.78 (d) 17.98
  20. 20.Which is the smallest: 0.668, 0.7, 0.064, 0.73? (a) 0.668 (b) 0.7 (c) 0.064 (d) 0.73
  21. 21.8.53 + 9.6 = ? (a) 9.49 (b) 18.13 (c) 18.03 (d) 18.23
  22. 22.What is the value of the digit 8 in 94.867? (a) 0.08 (b) 0.8 (c) 8 (d) 0.008
  23. 23.What is the value of the digit 4 in 41.567? (a) 0.4 (b) 0.04 (c) 40 (d) 4
  24. 24.What is the value of the digit 4 in 37.284? (a) 0.004 (b) 0.04 (c) 4 (d) 0.4
  25. 25.3.41 + 9.2 = ? (a) 12.71 (b) 12.51 (c) 4.33 (d) 12.61
  26. 26.3.59 + 7.1 = ? (a) 10.79 (b) 4.3 (c) 10.69 (d) 10.59
  27. 27.Which is the smallest: 0.2, 0.022, 0.21, 0.116? (a) 0.2 (b) 0.022 (c) 0.21 (d) 0.116
  28. 28.What is the value of the digit 3 in 93.128? (a) 0.03 (b) 0.3 (c) 30 (d) 3
  29. 29.2.22 + 7.2 = ? (a) 9.42 (b) 9.32 (c) 2.94 (d) 9.52
  30. 30.2.41 + 3.6 = ? (a) 5.91 (b) 6.01 (c) 2.77 (d) 6.11
  31. 31.What is the value of the digit 6 in 96.357? (a) 6 (b) 0.6 (c) 0.06 (d) 60
  32. 32.Which is the greatest: 0.081, 0.778, 0.85, 0.8? (a) 0.081 (b) 0.778 (c) 0.85 (d) 0.8
  33. 33.What is the value of the digit 6 in 61.932? (a) 0.6 (b) 6 (c) 60 (d) 0.06
  34. 34.2.24 + 5.5 = ? (a) 2.79 (b) 7.74 (c) 7.64 (d) 7.84
  35. 35.Which is the greatest: 0.8, 0.075, 0.82, 0.787? (a) 0.8 (b) 0.075 (c) 0.82 (d) 0.787
  36. 36.What is the value of the digit 6 in 75.361? (a) 0.6 (b) 0.006 (c) 0.06 (d) 6
  37. 37.9.28 + 5.2 = ? (a) 14.58 (b) 14.38 (c) 14.48 (d) 9.8
  38. 38.4.31 + 8.8 = ? (a) 13.01 (b) 5.19 (c) 13.11 (d) 13.21
  39. 39.6.94 + 6.3 = ? (a) 13.24 (b) 13.34 (c) 7.57 (d) 13.14
  40. 40.What is the value of the digit 3 in 38.147? (a) 0.03 (b) 0.3 (c) 3 (d) 30

Answer key

  1. 8.11
  2. 0.3
  3. 9
  4. 4
  5. 0.012
  6. 0.088
  7. 9.11
  8. 0.081
  9. 6.09
  10. 3.77
  11. 0.07
  12. 0.084
  13. 0.091
  14. 16.35
  15. 50
  16. 4
  17. 0.85
  18. 0.23
  19. 17.88
  20. 0.064
  21. 18.13
  22. 0.8
  23. 40
  24. 0.004
  25. 12.61
  26. 10.69
  27. 0.022
  28. 3
  29. 9.42
  30. 6.01
  31. 6
  32. 0.85
  33. 60
  34. 7.74
  35. 0.82
  36. 0.06
  37. 14.48
  38. 13.11
  39. 13.24
  40. 30

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