← Decimals and place value lesson New set →

Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 505 · 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, 0.527, 0.65, 0.6? (a) 0.022 (b) 0.527 (c) 0.65 (d) 0.6
  2. 2.Which is the greatest: 0.6, 0.045, 0.66, 0.551? (a) 0.6 (b) 0.045 (c) 0.66 (d) 0.551
  3. 3.What is the value of the digit 3 in 18.432? (a) 0.003 (b) 3 (c) 0.03 (d) 0.3
  4. 4.What is the value of the digit 3 in 27.396? (a) 3 (b) 0.003 (c) 0.3 (d) 0.03
  5. 5.What is the value of the digit 2 in 35.279? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  6. 6.4.35 + 4.3 = ? (a) 8.65 (b) 8.55 (c) 8.75 (d) 4.78
  7. 7.Which is the smallest: 0.129, 0.2, 0.24, 0.027? (a) 0.129 (b) 0.2 (c) 0.24 (d) 0.027
  8. 8.Which is the smallest: 0.6, 0.61, 0.043, 0.525? (a) 0.6 (b) 0.61 (c) 0.043 (d) 0.525
  9. 9.1.55 + 2.4 = ? (a) 3.85 (b) 3.95 (c) 4.05 (d) 1.79
  10. 10.Which is the greatest: 0.629, 0.72, 0.083, 0.7? (a) 0.629 (b) 0.72 (c) 0.083 (d) 0.7
  11. 11.8.16 + 3.2 = ? (a) 11.26 (b) 8.48 (c) 11.46 (d) 11.36
  12. 12.7.72 + 1.6 = ? (a) 9.42 (b) 9.32 (c) 9.22 (d) 7.88
  13. 13.Which is the smallest: 0.392, 0.4, 0.47, 0.089? (a) 0.392 (b) 0.4 (c) 0.47 (d) 0.089
  14. 14.Which is the smallest: 0.333, 0.44, 0.022, 0.4? (a) 0.333 (b) 0.44 (c) 0.022 (d) 0.4
  15. 15.5.98 + 8.7 = ? (a) 6.85 (b) 14.78 (c) 14.58 (d) 14.68
  16. 16.What is the value of the digit 2 in 18.592? (a) 0.002 (b) 0.2 (c) 2 (d) 0.02
  17. 17.Which is the greatest: 0.81, 0.093, 0.8, 0.735? (a) 0.81 (b) 0.093 (c) 0.8 (d) 0.735
  18. 18.6.21 + 2.5 = ? (a) 8.81 (b) 8.61 (c) 8.71 (d) 6.46
  19. 19.What is the value of the digit 7 in 17.528? (a) 7 (b) 0.07 (c) 0.7 (d) 70
  20. 20.1.51 + 8.2 = ? (a) 9.81 (b) 9.61 (c) 2.33 (d) 9.71
  21. 21.2.81 + 2.9 = ? (a) 5.71 (b) 5.81 (c) 3.1 (d) 5.61
  22. 22.Which is the smallest: 0.46, 0.322, 0.4, 0.081? (a) 0.46 (b) 0.322 (c) 0.4 (d) 0.081
  23. 23.9.63 + 3.2 = ? (a) 12.93 (b) 9.95 (c) 12.83 (d) 12.73
  24. 24.8.42 + 9.4 = ? (a) 17.72 (b) 17.82 (c) 17.92 (d) 9.36
  25. 25.Which is the smallest: 0.331, 0.099, 0.4, 0.45? (a) 0.331 (b) 0.099 (c) 0.4 (d) 0.45
  26. 26.Which is the greatest: 0.43, 0.4, 0.325, 0.044? (a) 0.43 (b) 0.4 (c) 0.325 (d) 0.044
  27. 27.Which is the greatest: 0.42, 0.358, 0.072, 0.4? (a) 0.42 (b) 0.358 (c) 0.072 (d) 0.4
  28. 28.4.77 + 3.9 = ? (a) 8.67 (b) 8.77 (c) 5.16 (d) 8.57
  29. 29.What is the value of the digit 8 in 84.579? (a) 8 (b) 0.08 (c) 80 (d) 0.8
  30. 30.What is the value of the digit 1 in 31.745? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  31. 31.Which is the greatest: 0.223, 0.37, 0.034, 0.3? (a) 0.223 (b) 0.37 (c) 0.034 (d) 0.3
  32. 32.2.11 + 7.1 = ? (a) 9.31 (b) 9.11 (c) 9.21 (d) 2.82
  33. 33.What is the value of the digit 8 in 69.832? (a) 0.8 (b) 0.08 (c) 0.008 (d) 8
  34. 34.Which is the smallest: 0.62, 0.023, 0.597, 0.6? (a) 0.62 (b) 0.023 (c) 0.597 (d) 0.6
  35. 35.Which is the smallest: 0.75, 0.626, 0.7, 0.059? (a) 0.75 (b) 0.626 (c) 0.7 (d) 0.059
  36. 36.4.36 + 1.2 = ? (a) 5.46 (b) 5.66 (c) 4.48 (d) 5.56
  37. 37.What is the value of the digit 9 in 13.679? (a) 0.09 (b) 0.009 (c) 9 (d) 0.9
  38. 38.What is the value of the digit 1 in 78.631? (a) 0.1 (b) 0.001 (c) 0.01 (d) 1
  39. 39.5.54 + 2.1 = ? (a) 7.64 (b) 7.74 (c) 5.75 (d) 7.54
  40. 40.What is the value of the digit 5 in 52.394? (a) 5 (b) 0.5 (c) 0.05 (d) 50

Answer key

  1. 0.65
  2. 0.66
  3. 0.03
  4. 0.3
  5. 0.2
  6. 8.65
  7. 0.027
  8. 0.043
  9. 3.95
  10. 0.72
  11. 11.36
  12. 9.32
  13. 0.089
  14. 0.022
  15. 14.68
  16. 0.002
  17. 0.81
  18. 8.71
  19. 7
  20. 9.71
  21. 5.71
  22. 0.081
  23. 12.83
  24. 17.82
  25. 0.099
  26. 0.43
  27. 0.42
  28. 8.67
  29. 80
  30. 1
  31. 0.37
  32. 9.21
  33. 0.8
  34. 0.023
  35. 0.059
  36. 5.56
  37. 0.009
  38. 0.001
  39. 7.64
  40. 50

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