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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 2 · 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 8 in 18.364? (a) 0.8 (b) 80 (c) 0.08 (d) 8
  2. 2.Which is the greatest: 0.056, 0.247, 0.3, 0.34? (a) 0.056 (b) 0.247 (c) 0.3 (d) 0.34
  3. 3.What is the value of the digit 6 in 61.847? (a) 0.06 (b) 6 (c) 60 (d) 0.6
  4. 4.5.32 + 9.3 = ? (a) 6.25 (b) 14.52 (c) 14.72 (d) 14.62
  5. 5.What is the value of the digit 5 in 35.124? (a) 0.05 (b) 50 (c) 0.5 (d) 5
  6. 6.9.61 + 7.4 = ? (a) 10.35 (b) 17.11 (c) 16.91 (d) 17.01
  7. 7.2.01 + 2.4 = ? (a) 4.31 (b) 4.51 (c) 4.41 (d) 2.25
  8. 8.What is the value of the digit 2 in 48.612? (a) 0.02 (b) 0.002 (c) 0.2 (d) 2
  9. 9.2.75 + 2.5 = ? (a) 5.25 (b) 5.15 (c) 3 (d) 5.35
  10. 10.3.72 + 2.5 = ? (a) 6.12 (b) 6.32 (c) 6.22 (d) 3.97
  11. 11.3.61 + 9.6 = ? (a) 13.21 (b) 13.31 (c) 4.57 (d) 13.11
  12. 12.9.99 + 9.6 = ? (a) 19.49 (b) 19.69 (c) 10.95 (d) 19.59
  13. 13.What is the value of the digit 9 in 15.249? (a) 9 (b) 0.09 (c) 0.009 (d) 0.9
  14. 14.1.04 + 5.7 = ? (a) 1.61 (b) 6.74 (c) 6.84 (d) 6.64
  15. 15.4.79 + 5.9 = ? (a) 10.59 (b) 10.79 (c) 5.38 (d) 10.69
  16. 16.5.66 + 5.5 = ? (a) 11.26 (b) 11.06 (c) 11.16 (d) 6.21
  17. 17.What is the value of the digit 6 in 93.461? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  18. 18.Which is the greatest: 0.571, 0.054, 0.6, 0.63? (a) 0.571 (b) 0.054 (c) 0.6 (d) 0.63
  19. 19.Which is the smallest: 0.2, 0.151, 0.28, 0.042? (a) 0.2 (b) 0.151 (c) 0.28 (d) 0.042
  20. 20.4.12 + 9.8 = ? (a) 14.02 (b) 13.82 (c) 13.92 (d) 5.1
  21. 21.Which is the greatest: 0.085, 0.133, 0.29, 0.2? (a) 0.085 (b) 0.133 (c) 0.29 (d) 0.2
  22. 22.Which is the greatest: 0.7, 0.089, 0.682, 0.76? (a) 0.7 (b) 0.089 (c) 0.682 (d) 0.76
  23. 23.What is the value of the digit 8 in 35.184? (a) 8 (b) 0.8 (c) 0.08 (d) 0.008
  24. 24.6.93 + 8.1 = ? (a) 7.74 (b) 14.93 (c) 15.03 (d) 15.13
  25. 25.9.48 + 2.9 = ? (a) 12.38 (b) 9.77 (c) 12.48 (d) 12.28
  26. 26.What is the value of the digit 4 in 41.956? (a) 4 (b) 0.4 (c) 40 (d) 0.04
  27. 27.Which is the greatest: 0.072, 0.48, 0.4, 0.371? (a) 0.072 (b) 0.48 (c) 0.4 (d) 0.371
  28. 28.3.46 + 6.8 = ? (a) 10.26 (b) 10.36 (c) 10.16 (d) 4.14
  29. 29.Which is the greatest: 0.527, 0.6, 0.026, 0.68? (a) 0.527 (b) 0.6 (c) 0.026 (d) 0.68
  30. 30.Which is the greatest: 0.3, 0.34, 0.099, 0.219? (a) 0.3 (b) 0.34 (c) 0.099 (d) 0.219
  31. 31.6.52 + 2.2 = ? (a) 8.62 (b) 6.74 (c) 8.72 (d) 8.82
  32. 32.6.86 + 2.4 = ? (a) 7.1 (b) 9.36 (c) 9.26 (d) 9.16
  33. 33.Which is the smallest: 0.2, 0.114, 0.044, 0.28? (a) 0.2 (b) 0.114 (c) 0.044 (d) 0.28
  34. 34.8.98 + 9.6 = ? (a) 9.94 (b) 18.68 (c) 18.48 (d) 18.58
  35. 35.2.59 + 2.1 = ? (a) 4.79 (b) 2.8 (c) 4.59 (d) 4.69
  36. 36.5.68 + 6.1 = ? (a) 11.88 (b) 6.29 (c) 11.78 (d) 11.68
  37. 37.What is the value of the digit 7 in 79.346? (a) 0.07 (b) 0.7 (c) 70 (d) 7
  38. 38.What is the value of the digit 8 in 84.379? (a) 0.08 (b) 8 (c) 80 (d) 0.8
  39. 39.6.68 + 6.6 = ? (a) 13.18 (b) 13.28 (c) 13.38 (d) 7.34
  40. 40.What is the value of the digit 6 in 65.487? (a) 60 (b) 6 (c) 0.06 (d) 0.6

Answer key

  1. 8
  2. 0.34
  3. 60
  4. 14.62
  5. 5
  6. 17.01
  7. 4.41
  8. 0.002
  9. 5.25
  10. 6.22
  11. 13.21
  12. 19.59
  13. 0.009
  14. 6.74
  15. 10.69
  16. 11.16
  17. 0.06
  18. 0.63
  19. 0.042
  20. 13.92
  21. 0.29
  22. 0.76
  23. 0.08
  24. 15.03
  25. 12.38
  26. 40
  27. 0.48
  28. 10.26
  29. 0.68
  30. 0.34
  31. 8.72
  32. 9.26
  33. 0.044
  34. 18.58
  35. 4.69
  36. 11.78
  37. 70
  38. 80
  39. 13.28
  40. 60

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