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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 908 · 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: 0.031, 0.85, 0.8, 0.749? (a) 0.031 (b) 0.85 (c) 0.8 (d) 0.749
  2. 2.Which is the greatest: 0.089, 0.733, 0.87, 0.8? (a) 0.089 (b) 0.733 (c) 0.87 (d) 0.8
  3. 3.3.55 + 1.3 = ? (a) 4.95 (b) 3.68 (c) 4.75 (d) 4.85
  4. 4.Which is the greatest: 0.46, 0.028, 0.4, 0.377? (a) 0.46 (b) 0.028 (c) 0.4 (d) 0.377
  5. 5.Which is the smallest: 0.7, 0.72, 0.692, 0.028? (a) 0.7 (b) 0.72 (c) 0.692 (d) 0.028
  6. 6.7.98 + 7.3 = ? (a) 15.18 (b) 15.38 (c) 8.71 (d) 15.28
  7. 7.What is the value of the digit 2 in 89.241? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  8. 8.Which is the smallest: 0.512, 0.69, 0.081, 0.6? (a) 0.512 (b) 0.69 (c) 0.081 (d) 0.6
  9. 9.What is the value of the digit 5 in 34.598? (a) 5 (b) 0.005 (c) 0.05 (d) 0.5
  10. 10.6.09 + 1.4 = ? (a) 6.23 (b) 7.49 (c) 7.59 (d) 7.39
  11. 11.3.83 + 1.6 = ? (a) 5.33 (b) 5.53 (c) 3.99 (d) 5.43
  12. 12.8.16 + 2.7 = ? (a) 10.76 (b) 10.86 (c) 8.43 (d) 10.96
  13. 13.Which is the greatest: 0.7, 0.616, 0.055, 0.74? (a) 0.7 (b) 0.616 (c) 0.055 (d) 0.74
  14. 14.Which is the smallest: 0.637, 0.044, 0.7, 0.71? (a) 0.637 (b) 0.044 (c) 0.7 (d) 0.71
  15. 15.4.95 + 9.7 = ? (a) 5.92 (b) 14.75 (c) 14.65 (d) 14.55
  16. 16.What is the value of the digit 3 in 39.814? (a) 0.03 (b) 0.3 (c) 30 (d) 3
  17. 17.What is the value of the digit 9 in 93.471? (a) 0.9 (b) 0.09 (c) 90 (d) 9
  18. 18.7.25 + 2.7 = ? (a) 7.52 (b) 9.85 (c) 10.05 (d) 9.95
  19. 19.7.12 + 3.2 = ? (a) 10.32 (b) 7.44 (c) 10.22 (d) 10.42
  20. 20.7.05 + 1.6 = ? (a) 8.55 (b) 8.65 (c) 8.75 (d) 7.21
  21. 21.7.45 + 3.1 = ? (a) 10.55 (b) 10.45 (c) 10.65 (d) 7.76
  22. 22.8.95 + 8.6 = ? (a) 17.65 (b) 9.81 (c) 17.55 (d) 17.45
  23. 23.8.72 + 1.6 = ? (a) 10.42 (b) 10.32 (c) 8.88 (d) 10.22
  24. 24.What is the value of the digit 6 in 46.753? (a) 0.06 (b) 60 (c) 6 (d) 0.6
  25. 25.What is the value of the digit 7 in 91.327? (a) 0.007 (b) 0.7 (c) 7 (d) 0.07
  26. 26.What is the value of the digit 4 in 26.459? (a) 0.4 (b) 0.04 (c) 0.004 (d) 4
  27. 27.What is the value of the digit 5 in 45.219? (a) 50 (b) 0.05 (c) 5 (d) 0.5
  28. 28.What is the value of the digit 2 in 96.132? (a) 0.002 (b) 0.02 (c) 2 (d) 0.2
  29. 29.1.02 + 7.6 = ? (a) 8.52 (b) 8.72 (c) 1.78 (d) 8.62
  30. 30.What is the value of the digit 4 in 13.274? (a) 4 (b) 0.4 (c) 0.004 (d) 0.04
  31. 31.Which is the greatest: 0.6, 0.62, 0.014, 0.584? (a) 0.6 (b) 0.62 (c) 0.014 (d) 0.584
  32. 32.What is the value of the digit 6 in 34.756? (a) 0.6 (b) 0.06 (c) 6 (d) 0.006
  33. 33.Which is the greatest: 0.185, 0.2, 0.095, 0.22? (a) 0.185 (b) 0.2 (c) 0.095 (d) 0.22
  34. 34.What is the value of the digit 9 in 15.829? (a) 9 (b) 0.09 (c) 0.9 (d) 0.009
  35. 35.Which is the greatest: 0.2, 0.28, 0.049, 0.121? (a) 0.2 (b) 0.28 (c) 0.049 (d) 0.121
  36. 36.1.41 + 7.2 = ? (a) 2.13 (b) 8.71 (c) 8.51 (d) 8.61
  37. 37.Which is the greatest: 0.452, 0.083, 0.57, 0.5? (a) 0.452 (b) 0.083 (c) 0.57 (d) 0.5
  38. 38.Which is the greatest: 0.716, 0.8, 0.81, 0.054? (a) 0.716 (b) 0.8 (c) 0.81 (d) 0.054
  39. 39.What is the value of the digit 2 in 96.512? (a) 0.2 (b) 0.002 (c) 2 (d) 0.02
  40. 40.9.87 + 1.4 = ? (a) 11.37 (b) 11.17 (c) 10.01 (d) 11.27

Answer key

  1. 0.85
  2. 0.87
  3. 4.85
  4. 0.46
  5. 0.028
  6. 15.28
  7. 0.2
  8. 0.081
  9. 0.5
  10. 7.49
  11. 5.43
  12. 10.86
  13. 0.74
  14. 0.044
  15. 14.65
  16. 30
  17. 90
  18. 9.95
  19. 10.32
  20. 8.65
  21. 10.55
  22. 17.55
  23. 10.32
  24. 6
  25. 0.007
  26. 0.4
  27. 5
  28. 0.002
  29. 8.62
  30. 0.004
  31. 0.62
  32. 0.006
  33. 0.22
  34. 0.009
  35. 0.28
  36. 8.61
  37. 0.57
  38. 0.81
  39. 0.002
  40. 11.27

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