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Decimals Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 10: Decimals and place value · Set 214 · 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 7 in 24.367? (a) 7 (b) 0.07 (c) 0.007 (d) 0.7
  2. 2.What is the value of the digit 6 in 23.569? (a) 6 (b) 0.6 (c) 0.006 (d) 0.06
  3. 3.What is the value of the digit 1 in 21.364? (a) 0.1 (b) 1 (c) 10 (d) 0.01
  4. 4.6.01 + 6.1 = ? (a) 12.01 (b) 6.62 (c) 12.21 (d) 12.11
  5. 5.5.74 + 7.4 = ? (a) 6.48 (b) 13.04 (c) 13.24 (d) 13.14
  6. 6.What is the value of the digit 8 in 24.981? (a) 0.008 (b) 0.08 (c) 0.8 (d) 8
  7. 7.7.77 + 3.4 = ? (a) 11.07 (b) 11.27 (c) 11.17 (d) 8.11
  8. 8.Which is the smallest: 0.668, 0.7, 0.78, 0.058? (a) 0.668 (b) 0.7 (c) 0.78 (d) 0.058
  9. 9.Which is the smallest: 0.78, 0.669, 0.072, 0.7? (a) 0.78 (b) 0.669 (c) 0.072 (d) 0.7
  10. 10.Which is the greatest: 0.046, 0.427, 0.5, 0.56? (a) 0.046 (b) 0.427 (c) 0.5 (d) 0.56
  11. 11.What is the value of the digit 5 in 79.865? (a) 0.5 (b) 0.005 (c) 0.05 (d) 5
  12. 12.What is the value of the digit 8 in 87.219? (a) 0.08 (b) 80 (c) 8 (d) 0.8
  13. 13.8.91 + 8.1 = ? (a) 17.01 (b) 16.91 (c) 17.11 (d) 9.72
  14. 14.What is the value of the digit 8 in 86.157? (a) 80 (b) 0.08 (c) 8 (d) 0.8
  15. 15.What is the value of the digit 5 in 48.295? (a) 0.005 (b) 5 (c) 0.05 (d) 0.5
  16. 16.1.76 + 3.2 = ? (a) 2.08 (b) 5.06 (c) 4.96 (d) 4.86
  17. 17.Which is the smallest: 0.88, 0.8, 0.066, 0.759? (a) 0.88 (b) 0.8 (c) 0.066 (d) 0.759
  18. 18.What is the value of the digit 6 in 31.786? (a) 6 (b) 0.06 (c) 0.6 (d) 0.006
  19. 19.What is the value of the digit 7 in 24.173? (a) 0.7 (b) 7 (c) 0.07 (d) 0.007
  20. 20.7.13 + 1.1 = ? (a) 7.24 (b) 8.13 (c) 8.33 (d) 8.23
  21. 21.What is the value of the digit 3 in 35.128? (a) 0.3 (b) 3 (c) 30 (d) 0.03
  22. 22.What is the value of the digit 2 in 85.762? (a) 0.2 (b) 0.02 (c) 2 (d) 0.002
  23. 23.What is the value of the digit 8 in 82.536? (a) 8 (b) 0.08 (c) 0.8 (d) 80
  24. 24.5.41 + 4.7 = ? (a) 10.21 (b) 5.88 (c) 10.01 (d) 10.11
  25. 25.9.74 + 7.4 = ? (a) 10.48 (b) 17.24 (c) 17.04 (d) 17.14
  26. 26.What is the value of the digit 3 in 25.793? (a) 0.3 (b) 3 (c) 0.003 (d) 0.03
  27. 27.Which is the greatest: 0.33, 0.286, 0.026, 0.3? (a) 0.33 (b) 0.286 (c) 0.026 (d) 0.3
  28. 28.Which is the smallest: 0.658, 0.77, 0.7, 0.041? (a) 0.658 (b) 0.77 (c) 0.7 (d) 0.041
  29. 29.1.62 + 1.8 = ? (a) 3.32 (b) 1.8 (c) 3.52 (d) 3.42
  30. 30.Which is the greatest: 0.254, 0.099, 0.3, 0.35? (a) 0.254 (b) 0.099 (c) 0.3 (d) 0.35
  31. 31.What is the value of the digit 4 in 96.421? (a) 0.04 (b) 0.004 (c) 4 (d) 0.4
  32. 32.What is the value of the digit 8 in 85.263? (a) 8 (b) 0.8 (c) 80 (d) 0.08
  33. 33.What is the value of the digit 6 in 35.678? (a) 0.006 (b) 6 (c) 0.6 (d) 0.06
  34. 34.Which is the greatest: 0.64, 0.6, 0.045, 0.585? (a) 0.64 (b) 0.6 (c) 0.045 (d) 0.585
  35. 35.Which is the smallest: 0.31, 0.3, 0.213, 0.025? (a) 0.31 (b) 0.3 (c) 0.213 (d) 0.025
  36. 36.What is the value of the digit 1 in 78.351? (a) 0.1 (b) 0.01 (c) 1 (d) 0.001
  37. 37.3.14 + 5.7 = ? (a) 8.84 (b) 8.74 (c) 3.71 (d) 8.94
  38. 38.7.19 + 8.9 = ? (a) 16.09 (b) 16.19 (c) 15.99 (d) 8.08
  39. 39.Which is the smallest: 0.36, 0.3, 0.072, 0.267? (a) 0.36 (b) 0.3 (c) 0.072 (d) 0.267
  40. 40.7.67 + 7.4 = ? (a) 15.07 (b) 8.41 (c) 14.97 (d) 15.17

Answer key

  1. 0.007
  2. 0.06
  3. 1
  4. 12.11
  5. 13.14
  6. 0.08
  7. 11.17
  8. 0.058
  9. 0.072
  10. 0.56
  11. 0.005
  12. 80
  13. 17.01
  14. 80
  15. 0.005
  16. 4.96
  17. 0.066
  18. 0.006
  19. 0.07
  20. 8.23
  21. 30
  22. 0.002
  23. 80
  24. 10.11
  25. 17.14
  26. 0.003
  27. 0.33
  28. 0.041
  29. 3.42
  30. 0.35
  31. 0.4
  32. 80
  33. 0.6
  34. 0.64
  35. 0.025
  36. 0.001
  37. 8.84
  38. 16.09
  39. 0.072
  40. 15.07

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