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Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
Section 5.1 and 8.3
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Section 5.1 and 8.3

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Transcript

  • 1. What is a fraction?
  • 2. Learning Target:Students will learn how to write fractions/ratios and equivalent fractions/ratios. They will also learn how to write fractions/ratios in simplest form.
  • 3. FractionTop number: Numerator – is the counting number. It is a multiplier. It tells how many parts we have.Bottom number: Denominator – indicates by what number the whole has been divided in. Therefore it is a divisor. (cannot equal 0)
  • 4. as a count of three things called fourths is three times what you get when you divide a whole into four parts
  • 5. http://www.imaginativeteacher.com/images/fractions_3bmu.jpg
    Name the fractions
  • 6. Another way to compare two numbers is a Ratio.The Ratio of a number a to a nonzero number b is the quotient when a is divided by b.
  • 7. A ratio can be expressed three ways:• Using the fraction bar (division line) 35• Using a colon symbol as in 3 : 5• Using the “to” as in 3 to 5.
  • 8. Write the ratio of 2 flutes to 16 clarinets in 3 ways. (Hint: What you read first goes first. What you read second goes second.)
  • 9. Fractions/ratios are considered equivalent if they represent the same amount. To find equivalent fractions/ratios multiply or divide the numerator and denominator by the same nonzero number.
  • 10. http://www.visualfractions.com/RenameHigherCircle/Highercircle1.gif
  • 11.
  • 12. Write two fractions that are equivalent to the given fraction.35
  • 13. Answers:6 , 910 15
  • 14. Complete the statement.2 ?5 35
  • 15. Answer:? = 14
  • 16. When is simplification helpful? Harmful?
  • 17. A fraction/ratio is in simplest form when its numerator and denominator cannot be divided by anything except 1. (GCF = 1)To simplify a fraction/ratio divided both the numerator and denominator by their GCF.
  • 18. Write the fraction/ratio in simplest form.12 : 16
  • 19. Answer:3 : 4
  • 20. Can you write fractions/ratios?Can you write equivalent fractions/ratios? Can you write fractions/ratios in simplest form.

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