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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 710 · 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: 0.372, 0.47, 0.044, 0.4? (a) 0.372 (b) 0.47 (c) 0.044 (d) 0.4
  2. 2.Which is the greatest: 0.78, 0.633, 0.7, 0.081? (a) 0.78 (b) 0.633 (c) 0.7 (d) 0.081
  3. 3.Which is the greatest: 0.365, 0.49, 0.4, 0.096? (a) 0.365 (b) 0.49 (c) 0.4 (d) 0.096
  4. 4.5.71 + 4.5 = ? (a) 10.31 (b) 10.21 (c) 6.16 (d) 10.11
  5. 5.2.29 + 2.3 = ? (a) 4.49 (b) 4.69 (c) 2.52 (d) 4.59
  6. 6.What is the value of the digit 4 in 93.142? (a) 0.4 (b) 4 (c) 0.04 (d) 0.004
  7. 7.1.06 + 1.3 = ? (a) 1.19 (b) 2.36 (c) 2.26 (d) 2.46
  8. 8.Which is the greatest: 0.4, 0.066, 0.44, 0.387? (a) 0.4 (b) 0.066 (c) 0.44 (d) 0.387
  9. 9.What is the value of the digit 5 in 94.537? (a) 0.5 (b) 5 (c) 0.005 (d) 0.05
  10. 10.7.24 + 4.2 = ? (a) 11.44 (b) 11.54 (c) 11.34 (d) 7.66
  11. 11.Which is the smallest: 0.087, 0.3, 0.291, 0.32? (a) 0.087 (b) 0.3 (c) 0.291 (d) 0.32
  12. 12.What is the value of the digit 5 in 35.617? (a) 0.05 (b) 50 (c) 0.5 (d) 5
  13. 13.What is the value of the digit 4 in 24.357? (a) 40 (b) 4 (c) 0.4 (d) 0.04
  14. 14.Which is the greatest: 0.282, 0.052, 0.3, 0.39? (a) 0.282 (b) 0.052 (c) 0.3 (d) 0.39
  15. 15.What is the value of the digit 6 in 36.749? (a) 6 (b) 60 (c) 0.06 (d) 0.6
  16. 16.What is the value of the digit 3 in 52.731? (a) 0.03 (b) 3 (c) 0.3 (d) 0.003
  17. 17.6.44 + 8.8 = ? (a) 15.14 (b) 15.34 (c) 15.24 (d) 7.32
  18. 18.1.95 + 6.7 = ? (a) 8.65 (b) 8.75 (c) 2.62 (d) 8.55
  19. 19.What is the value of the digit 9 in 73.492? (a) 0.009 (b) 9 (c) 0.9 (d) 0.09
  20. 20.What is the value of the digit 8 in 38.154? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  21. 21.What is the value of the digit 9 in 62.895? (a) 0.009 (b) 0.9 (c) 9 (d) 0.09
  22. 22.Which is the greatest: 0.039, 0.35, 0.262, 0.3? (a) 0.039 (b) 0.35 (c) 0.262 (d) 0.3
  23. 23.Which is the greatest: 0.44, 0.067, 0.4, 0.351? (a) 0.44 (b) 0.067 (c) 0.4 (d) 0.351
  24. 24.Which is the greatest: 0.563, 0.6, 0.64, 0.026? (a) 0.563 (b) 0.6 (c) 0.64 (d) 0.026
  25. 25.Which is the smallest: 0.029, 0.46, 0.4, 0.386? (a) 0.029 (b) 0.46 (c) 0.4 (d) 0.386
  26. 26.Which is the smallest: 0.081, 0.127, 0.2, 0.24? (a) 0.081 (b) 0.127 (c) 0.2 (d) 0.24
  27. 27.What is the value of the digit 8 in 89.165? (a) 80 (b) 0.08 (c) 8 (d) 0.8
  28. 28.What is the value of the digit 9 in 19.285? (a) 90 (b) 9 (c) 0.09 (d) 0.9
  29. 29.7.63 + 3.4 = ? (a) 11.13 (b) 10.93 (c) 7.97 (d) 11.03
  30. 30.1.35 + 5.2 = ? (a) 6.65 (b) 1.87 (c) 6.55 (d) 6.45
  31. 31.4.99 + 7.9 = ? (a) 5.78 (b) 12.89 (c) 12.79 (d) 12.99
  32. 32.What is the value of the digit 1 in 12.589? (a) 0.01 (b) 10 (c) 1 (d) 0.1
  33. 33.What is the value of the digit 5 in 32.865? (a) 0.5 (b) 0.005 (c) 5 (d) 0.05
  34. 34.Which is the greatest: 0.32, 0.214, 0.3, 0.017? (a) 0.32 (b) 0.214 (c) 0.3 (d) 0.017
  35. 35.What is the value of the digit 1 in 56.213? (a) 0.001 (b) 1 (c) 0.01 (d) 0.1
  36. 36.6.42 + 8.9 = ? (a) 15.22 (b) 15.32 (c) 15.42 (d) 7.31
  37. 37.What is the value of the digit 8 in 87.412? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  38. 38.3.92 + 4.1 = ? (a) 8.12 (b) 7.92 (c) 4.33 (d) 8.02
  39. 39.6.54 + 2.1 = ? (a) 8.74 (b) 6.75 (c) 8.54 (d) 8.64
  40. 40.What is the value of the digit 1 in 45.179? (a) 0.01 (b) 0.001 (c) 1 (d) 0.1

Answer key

  1. 0.47
  2. 0.78
  3. 0.49
  4. 10.21
  5. 4.59
  6. 0.04
  7. 2.36
  8. 0.44
  9. 0.5
  10. 11.44
  11. 0.087
  12. 5
  13. 4
  14. 0.39
  15. 6
  16. 0.03
  17. 15.24
  18. 8.65
  19. 0.09
  20. 8
  21. 0.09
  22. 0.35
  23. 0.44
  24. 0.64
  25. 0.029
  26. 0.081
  27. 80
  28. 9
  29. 11.03
  30. 6.55
  31. 12.89
  32. 10
  33. 0.005
  34. 0.32
  35. 0.01
  36. 15.32
  37. 80
  38. 8.02
  39. 8.64
  40. 0.1

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