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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 960 · 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.What is the value of the digit 9 in 89.173? (a) 9 (b) 0.09 (c) 90 (d) 0.9
  2. 2.Which is the greatest: 0.72, 0.7, 0.627, 0.023? (a) 0.72 (b) 0.7 (c) 0.627 (d) 0.023
  3. 3.What is the value of the digit 3 in 25.163? (a) 3 (b) 0.03 (c) 0.003 (d) 0.3
  4. 4.What is the value of the digit 1 in 91.426? (a) 10 (b) 1 (c) 0.01 (d) 0.1
  5. 5.What is the value of the digit 5 in 59.364? (a) 5 (b) 50 (c) 0.05 (d) 0.5
  6. 6.3.43 + 4.2 = ? (a) 7.53 (b) 7.63 (c) 3.85 (d) 7.73
  7. 7.5.81 + 2.1 = ? (a) 7.91 (b) 6.02 (c) 7.81 (d) 8.01
  8. 8.Which is the greatest: 0.84, 0.092, 0.8, 0.718? (a) 0.84 (b) 0.092 (c) 0.8 (d) 0.718
  9. 9.What is the value of the digit 4 in 15.694? (a) 0.04 (b) 0.4 (c) 0.004 (d) 4
  10. 10.6.01 + 8.3 = ? (a) 6.84 (b) 14.21 (c) 14.41 (d) 14.31
  11. 11.8.91 + 8.1 = ? (a) 9.72 (b) 17.11 (c) 16.91 (d) 17.01
  12. 12.What is the value of the digit 2 in 34.296? (a) 0.002 (b) 0.02 (c) 0.2 (d) 2
  13. 13.Which is the greatest: 0.726, 0.84, 0.082, 0.8? (a) 0.726 (b) 0.84 (c) 0.082 (d) 0.8
  14. 14.What is the value of the digit 4 in 81.342? (a) 4 (b) 0.4 (c) 0.004 (d) 0.04
  15. 15.What is the value of the digit 3 in 63.459? (a) 0.3 (b) 0.03 (c) 3 (d) 30
  16. 16.What is the value of the digit 4 in 39.462? (a) 0.4 (b) 4 (c) 0.004 (d) 0.04
  17. 17.Which is the greatest: 0.2, 0.085, 0.24, 0.171? (a) 0.2 (b) 0.085 (c) 0.24 (d) 0.171
  18. 18.6.63 + 2.5 = ? (a) 6.88 (b) 9.03 (c) 9.13 (d) 9.23
  19. 19.Which is the smallest: 0.199, 0.21, 0.095, 0.2? (a) 0.199 (b) 0.21 (c) 0.095 (d) 0.2
  20. 20.What is the value of the digit 2 in 64.217? (a) 0.02 (b) 0.002 (c) 2 (d) 0.2
  21. 21.4.26 + 4.6 = ? (a) 8.86 (b) 8.96 (c) 4.72 (d) 8.76
  22. 22.What is the value of the digit 1 in 83.912? (a) 0.001 (b) 0.01 (c) 0.1 (d) 1
  23. 23.5.68 + 7.2 = ? (a) 12.98 (b) 6.4 (c) 12.78 (d) 12.88
  24. 24.What is the value of the digit 1 in 89.134? (a) 0.1 (b) 1 (c) 0.01 (d) 0.001
  25. 25.What is the value of the digit 8 in 38.729? (a) 80 (b) 0.08 (c) 8 (d) 0.8
  26. 26.6.34 + 4.4 = ? (a) 10.64 (b) 6.78 (c) 10.84 (d) 10.74
  27. 27.3.07 + 9.3 = ? (a) 12.47 (b) 12.27 (c) 4 (d) 12.37
  28. 28.5.42 + 9.8 = ? (a) 15.22 (b) 6.4 (c) 15.12 (d) 15.32
  29. 29.3.14 + 7.6 = ? (a) 3.9 (b) 10.84 (c) 10.64 (d) 10.74
  30. 30.1.93 + 7.1 = ? (a) 9.13 (b) 8.93 (c) 2.64 (d) 9.03
  31. 31.What is the value of the digit 2 in 79.621? (a) 2 (b) 0.2 (c) 0.002 (d) 0.02
  32. 32.Which is the smallest: 0.8, 0.048, 0.782, 0.84? (a) 0.8 (b) 0.048 (c) 0.782 (d) 0.84
  33. 33.7.51 + 2.1 = ? (a) 9.71 (b) 9.51 (c) 9.61 (d) 7.72
  34. 34.7.63 + 1.8 = ? (a) 9.53 (b) 9.43 (c) 7.81 (d) 9.33
  35. 35.What is the value of the digit 7 in 75.693? (a) 0.7 (b) 0.07 (c) 7 (d) 70
  36. 36.8.91 + 3.8 = ? (a) 12.71 (b) 12.61 (c) 12.81 (d) 9.29
  37. 37.What is the value of the digit 7 in 79.341? (a) 0.7 (b) 70 (c) 7 (d) 0.07
  38. 38.What is the value of the digit 3 in 83.516? (a) 30 (b) 0.3 (c) 0.03 (d) 3
  39. 39.Which is the greatest: 0.85, 0.091, 0.8, 0.718? (a) 0.85 (b) 0.091 (c) 0.8 (d) 0.718
  40. 40.Which is the greatest: 0.84, 0.754, 0.076, 0.8? (a) 0.84 (b) 0.754 (c) 0.076 (d) 0.8

Answer key

  1. 9
  2. 0.72
  3. 0.003
  4. 1
  5. 50
  6. 7.63
  7. 7.91
  8. 0.84
  9. 0.004
  10. 14.31
  11. 17.01
  12. 0.2
  13. 0.84
  14. 0.04
  15. 3
  16. 0.4
  17. 0.24
  18. 9.13
  19. 0.095
  20. 0.2
  21. 8.86
  22. 0.01
  23. 12.88
  24. 0.1
  25. 8
  26. 10.74
  27. 12.37
  28. 15.22
  29. 10.74
  30. 9.03
  31. 0.02
  32. 0.048
  33. 9.61
  34. 9.43
  35. 70
  36. 12.71
  37. 70
  38. 3
  39. 0.85
  40. 0.84

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