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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 245 · 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: 0.24, 0.2, 0.172, 0.012? (a) 0.24 (b) 0.2 (c) 0.172 (d) 0.012
  2. 2.What is the value of the digit 8 in 38.149? (a) 8 (b) 0.8 (c) 80 (d) 0.08
  3. 3.Which is the greatest: 0.061, 0.89, 0.775, 0.8? (a) 0.061 (b) 0.89 (c) 0.775 (d) 0.8
  4. 4.9.46 + 1.6 = ? (a) 9.62 (b) 11.16 (c) 10.96 (d) 11.06
  5. 5.What is the value of the digit 3 in 49.315? (a) 3 (b) 0.003 (c) 0.03 (d) 0.3
  6. 6.5.69 + 7.4 = ? (a) 13.09 (b) 6.43 (c) 12.99 (d) 13.19
  7. 7.1.98 + 6.6 = ? (a) 8.58 (b) 8.68 (c) 8.48 (d) 2.64
  8. 8.Which is the greatest: 0.64, 0.6, 0.577, 0.037? (a) 0.64 (b) 0.6 (c) 0.577 (d) 0.037
  9. 9.What is the value of the digit 6 in 26.534? (a) 60 (b) 0.6 (c) 0.06 (d) 6
  10. 10.1.17 + 4.3 = ? (a) 5.57 (b) 5.47 (c) 5.37 (d) 1.6
  11. 11.5.92 + 2.5 = ? (a) 6.17 (b) 8.32 (c) 8.42 (d) 8.52
  12. 12.What is the value of the digit 4 in 93.148? (a) 0.004 (b) 0.04 (c) 0.4 (d) 4
  13. 13.Which is the greatest: 0.5, 0.022, 0.55, 0.498? (a) 0.5 (b) 0.022 (c) 0.55 (d) 0.498
  14. 14.What is the value of the digit 6 in 62.983? (a) 6 (b) 0.06 (c) 60 (d) 0.6
  15. 15.What is the value of the digit 5 in 95.618? (a) 5 (b) 50 (c) 0.05 (d) 0.5
  16. 16.Which is the smallest: 0.155, 0.2, 0.29, 0.029? (a) 0.155 (b) 0.2 (c) 0.29 (d) 0.029
  17. 17.What is the value of the digit 1 in 31.849? (a) 0.01 (b) 1 (c) 10 (d) 0.1
  18. 18.Which is the smallest: 0.132, 0.25, 0.054, 0.2? (a) 0.132 (b) 0.25 (c) 0.054 (d) 0.2
  19. 19.Which is the smallest: 0.85, 0.8, 0.753, 0.092? (a) 0.85 (b) 0.8 (c) 0.753 (d) 0.092
  20. 20.Which is the greatest: 0.2, 0.085, 0.27, 0.136? (a) 0.2 (b) 0.085 (c) 0.27 (d) 0.136
  21. 21.2.27 + 9.6 = ? (a) 3.23 (b) 11.87 (c) 11.77 (d) 11.97
  22. 22.8.48 + 7.7 = ? (a) 9.25 (b) 16.18 (c) 16.28 (d) 16.08
  23. 23.7.01 + 5.2 = ? (a) 12.31 (b) 12.21 (c) 12.11 (d) 7.53
  24. 24.What is the value of the digit 8 in 58.147? (a) 8 (b) 0.8 (c) 80 (d) 0.08
  25. 25.Which is the greatest: 0.8, 0.788, 0.83, 0.042? (a) 0.8 (b) 0.788 (c) 0.83 (d) 0.042
  26. 26.4.91 + 1.7 = ? (a) 5.08 (b) 6.61 (c) 6.51 (d) 6.71
  27. 27.What is the value of the digit 1 in 69.215? (a) 0.01 (b) 0.001 (c) 0.1 (d) 1
  28. 28.1.33 + 5.8 = ? (a) 1.91 (b) 7.23 (c) 7.13 (d) 7.03
  29. 29.3.55 + 2.8 = ? (a) 3.83 (b) 6.35 (c) 6.25 (d) 6.45
  30. 30.4.43 + 7.1 = ? (a) 11.63 (b) 5.14 (c) 11.43 (d) 11.53
  31. 31.Which is the smallest: 0.095, 0.565, 0.6, 0.61? (a) 0.095 (b) 0.565 (c) 0.6 (d) 0.61
  32. 32.Which is the greatest: 0.35, 0.236, 0.081, 0.3? (a) 0.35 (b) 0.236 (c) 0.081 (d) 0.3
  33. 33.Which is the smallest: 0.098, 0.63, 0.581, 0.6? (a) 0.098 (b) 0.63 (c) 0.581 (d) 0.6
  34. 34.Which is the greatest: 0.087, 0.58, 0.5, 0.453? (a) 0.087 (b) 0.58 (c) 0.5 (d) 0.453
  35. 35.What is the value of the digit 1 in 94.812? (a) 0.1 (b) 1 (c) 0.01 (d) 0.001
  36. 36.Which is the smallest: 0.083, 0.7, 0.75, 0.691? (a) 0.083 (b) 0.7 (c) 0.75 (d) 0.691
  37. 37.What is the value of the digit 6 in 24.163? (a) 6 (b) 0.006 (c) 0.06 (d) 0.6
  38. 38.Which is the greatest: 0.222, 0.3, 0.031, 0.36? (a) 0.222 (b) 0.3 (c) 0.031 (d) 0.36
  39. 39.Which is the smallest: 0.5, 0.56, 0.449, 0.042? (a) 0.5 (b) 0.56 (c) 0.449 (d) 0.042
  40. 40.What is the value of the digit 9 in 61.972? (a) 0.09 (b) 9 (c) 0.9 (d) 0.009

Answer key

  1. 0.24
  2. 8
  3. 0.89
  4. 11.06
  5. 0.3
  6. 13.09
  7. 8.58
  8. 0.64
  9. 6
  10. 5.47
  11. 8.42
  12. 0.04
  13. 0.55
  14. 60
  15. 5
  16. 0.029
  17. 1
  18. 0.054
  19. 0.092
  20. 0.27
  21. 11.87
  22. 16.18
  23. 12.21
  24. 8
  25. 0.83
  26. 6.61
  27. 0.01
  28. 7.13
  29. 6.35
  30. 11.53
  31. 0.095
  32. 0.35
  33. 0.098
  34. 0.58
  35. 0.01
  36. 0.083
  37. 0.06
  38. 0.36
  39. 0.042
  40. 0.9

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