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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 569 · 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: 0.195, 0.2, 0.22, 0.026? (a) 0.195 (b) 0.2 (c) 0.22 (d) 0.026
  2. 2.What is the value of the digit 2 in 92.415? (a) 2 (b) 0.02 (c) 20 (d) 0.2
  3. 3.3.71 + 5.1 = ? (a) 8.91 (b) 8.81 (c) 8.71 (d) 4.22
  4. 4.What is the value of the digit 4 in 65.149? (a) 0.04 (b) 0.004 (c) 0.4 (d) 4
  5. 5.What is the value of the digit 1 in 97.218? (a) 1 (b) 0.001 (c) 0.01 (d) 0.1
  6. 6.Which is the greatest: 0.23, 0.022, 0.2, 0.184? (a) 0.23 (b) 0.022 (c) 0.2 (d) 0.184
  7. 7.What is the value of the digit 6 in 83.961? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  8. 8.3.42 + 1.8 = ? (a) 3.6 (b) 5.12 (c) 5.22 (d) 5.32
  9. 9.Which is the smallest: 0.2, 0.074, 0.175, 0.25? (a) 0.2 (b) 0.074 (c) 0.175 (d) 0.25
  10. 10.Which is the smallest: 0.531, 0.028, 0.6, 0.65? (a) 0.531 (b) 0.028 (c) 0.6 (d) 0.65
  11. 11.5.07 + 8.8 = ? (a) 5.95 (b) 13.97 (c) 13.87 (d) 13.77
  12. 12.Which is the greatest: 0.4, 0.333, 0.41, 0.096? (a) 0.4 (b) 0.333 (c) 0.41 (d) 0.096
  13. 13.2.22 + 8.2 = ? (a) 10.52 (b) 3.04 (c) 10.32 (d) 10.42
  14. 14.2.59 + 3.8 = ? (a) 2.97 (b) 6.49 (c) 6.29 (d) 6.39
  15. 15.6.29 + 2.5 = ? (a) 8.69 (b) 8.89 (c) 8.79 (d) 6.54
  16. 16.What is the value of the digit 1 in 31.245? (a) 0.1 (b) 0.01 (c) 1 (d) 10
  17. 17.4.65 + 6.2 = ? (a) 10.95 (b) 10.85 (c) 5.27 (d) 10.75
  18. 18.Which is the smallest: 0.627, 0.74, 0.044, 0.7? (a) 0.627 (b) 0.74 (c) 0.044 (d) 0.7
  19. 19.9.17 + 9.5 = ? (a) 18.77 (b) 10.12 (c) 18.57 (d) 18.67
  20. 20.What is the value of the digit 4 in 34.127? (a) 0.4 (b) 4 (c) 0.04 (d) 40
  21. 21.4.53 + 8.1 = ? (a) 12.73 (b) 12.63 (c) 12.53 (d) 5.34
  22. 22.Which is the greatest: 0.41, 0.4, 0.041, 0.325? (a) 0.41 (b) 0.4 (c) 0.041 (d) 0.325
  23. 23.Which is the greatest: 0.054, 0.63, 0.6, 0.576? (a) 0.054 (b) 0.63 (c) 0.6 (d) 0.576
  24. 24.What is the value of the digit 5 in 16.539? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  25. 25.8.24 + 3.5 = ? (a) 11.74 (b) 11.64 (c) 8.59 (d) 11.84
  26. 26.What is the value of the digit 9 in 49.235? (a) 0.9 (b) 9 (c) 0.09 (d) 90
  27. 27.Which is the greatest: 0.84, 0.8, 0.773, 0.066? (a) 0.84 (b) 0.8 (c) 0.773 (d) 0.066
  28. 28.What is the value of the digit 8 in 12.748? (a) 0.08 (b) 0.8 (c) 8 (d) 0.008
  29. 29.4.77 + 6.3 = ? (a) 11.17 (b) 5.4 (c) 11.07 (d) 10.97
  30. 30.2.29 + 1.6 = ? (a) 2.45 (b) 3.89 (c) 3.79 (d) 3.99
  31. 31.What is the value of the digit 4 in 61.348? (a) 0.004 (b) 4 (c) 0.4 (d) 0.04
  32. 32.8.52 + 9.5 = ? (a) 18.12 (b) 9.47 (c) 17.92 (d) 18.02
  33. 33.What is the value of the digit 3 in 12.935? (a) 0.3 (b) 0.003 (c) 3 (d) 0.03
  34. 34.Which is the smallest: 0.055, 0.4, 0.352, 0.42? (a) 0.055 (b) 0.4 (c) 0.352 (d) 0.42
  35. 35.5.01 + 6.3 = ? (a) 11.21 (b) 11.31 (c) 11.41 (d) 5.64
  36. 36.5.33 + 9.6 = ? (a) 6.29 (b) 15.03 (c) 14.83 (d) 14.93
  37. 37.Which is the smallest: 0.4, 0.336, 0.45, 0.057? (a) 0.4 (b) 0.336 (c) 0.45 (d) 0.057
  38. 38.Which is the smallest: 0.145, 0.058, 0.2, 0.23? (a) 0.145 (b) 0.058 (c) 0.2 (d) 0.23
  39. 39.What is the value of the digit 5 in 15.398? (a) 50 (b) 5 (c) 0.5 (d) 0.05
  40. 40.Which is the smallest: 0.513, 0.65, 0.094, 0.6? (a) 0.513 (b) 0.65 (c) 0.094 (d) 0.6

Answer key

  1. 0.22
  2. 2
  3. 8.81
  4. 0.04
  5. 0.01
  6. 0.23
  7. 0.06
  8. 5.22
  9. 0.074
  10. 0.028
  11. 13.87
  12. 0.41
  13. 10.42
  14. 6.39
  15. 8.79
  16. 1
  17. 10.85
  18. 0.044
  19. 18.67
  20. 4
  21. 12.63
  22. 0.41
  23. 0.63
  24. 0.5
  25. 11.74
  26. 9
  27. 0.84
  28. 0.008
  29. 11.07
  30. 3.89
  31. 0.04
  32. 18.02
  33. 0.03
  34. 0.055
  35. 11.31
  36. 14.93
  37. 0.057
  38. 0.058
  39. 5
  40. 0.094

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