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Fractions

Fractions. What is a fraction? A fraction is part of a whole ½ is one part of two pieces 1/3 is one part of three pieces ¼ is one part of four pieces Fractions are just ways to describe the different parts of something whole. ½ ½. 1/3. ¼ . Decimals . What are decimals?

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Fractions

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  1. Fractions • What is a fraction? • A fraction is part of a whole • ½ is one part of two pieces • 1/3 is one part of three pieces • ¼ is one part of four pieces • Fractions are just ways to describe the different parts of something whole. ½ ½ 1/3 ¼

  2. Decimals • What are decimals? • Decimals are parts of a whole. • The different decimals are tenths, hundredths, thousandths, ten thousandths, etc. • These are the decimal place values, only there is no ones place and decimals have a ths on the end.

  3. Fractions Misc. Add/Sub Fractions Decimals Misc. +/-/x/. – Decimals Change decimals To fractions 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

  4. Write in simplest form • 12/24 • 6/12 • 3/6 • 1/2 • Simplest Form

  5. C. 1/2

  6. Write the mixed number as an improper fraction • 2 1/6 • 18/6 • 13/6 • 6/18 • 12/6

  7. B. 13/6

  8. Find the GFC of • 16 and 10 • 4 • 5 • 1 • 2

  9. D. 2

  10. Compare using <, >, = • 2/9 1/5 • 2/9 > 1/5 • 2/9 = 1/5 • 2/9 < 1/5 • 1/5 > 2/9

  11. A. 2/9 > 1/5

  12. Find the LCM of • 15 and 40 • 5 • 15 • 240 • 120

  13. C. 240

  14. Add these two fractions • 2/3 + 4/6 • 1 2/6 • 2/6 • 1 1/3 • 2 1/3

  15. C. 1 1/3

  16. Add these two fractions • 3/5 + 7/10 • 1 3/10 • 3/10 • 1 1/5 • 2 3/10

  17. A. 1 3/10

  18. Subtract these two fractions • 25/100 - 5/50 • 15/50 • 15/100 • 25/100 • 5/50

  19. B. 15/100

  20. Add these two fractions • 4/8 + 2 ¾ • 2 7/12 • 2 10/8 • 2 1/4 • 2 2/8

  21. C. 2 1/4

  22. Add these two fractions • 3/6 + 2/4 • 14/12 • 11/12 • 1 • 6/10

  23. C. One whole, or 1

  24. Write 10.061 in written form • Ten sixty one • Ten and sixty-one hundredths • Ten and sixty-one thousandths • Ten and sixty-one ten thousandths

  25. C. Ten and sixty-one thousandths

  26. Write twenty and fifteen hundredths in standard form • 20.15 • 20.015 • 0.2015 • 0.0215

  27. A. 20.15

  28. Which number is less than 2.06 • 6.02 • 2.6 • 2.060 • 2.006

  29. D. 2.006

  30. Order 19, 18.2, 19.03, and 18.231 from greatest to least • 18.231, 18.2, 19, 19.03 • 19.03, 19, 18.231, 18.2 • 19.03, 19, 18.2, 18.231 • 19, 18.2, 19.03, 18.231

  31. B. 19.03, 19, 18.231, 18.2

  32. Round the decimal to the hundredths place • 112.363 • 112 • 112.4 • 112.37 • 112.36

  33. D. 112.36

  34. Multiply • 8.6 x 4.9 • 4.214 • 42.14 • 4,214 • 421.4

  35. B. 42.14

  36. Divide • 13.5 / 2.7 • 0.50 • 5.1 • 5 • 51

  37. C. 5

  38. ADD • 53.83 + 36.45 • 90.28 • 91.18 • 89.28 • 89.18

  39. A. 90.28

  40. SUBTRACT • 5.6 - 2.459 • 3.241 • 3.159 • 32.59 • 3.141

  41. D. 3.141

  42. About how much more is $68.70 than $16.42? • $52.32 • $52.28 • $50.00 • $52.00

  43. C. $50.00

  44. Write 1 3/8 as a decimal? • 1.37 • 1.73 • 1.375 • 13.75

  45. C. 1.375

  46. Write 0.45 as a fraction. • 8/20 • 8/50 • 9/50 • 9/20

  47. D. 9/20

  48. Write 8/10 as a decimal A. 8 B. 0.8 C. 1.8 D. 08

  49. B. 0.8

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