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Proper and Improper Fractions

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Presentation on theme: "Proper and Improper Fractions"— Presentation transcript:

1 Proper and Improper Fractions
Section 3.1

2 Objectives Write a fraction to describe the parts of a unit
Select proper or improper fractions from a list of fractions Change improper fractions to mixed numbers Change mixed numbers to improper fractions

3 Objective 1: Write a fraction to describe the parts of a unit

4 Objective 1 Fraction is a name for a number
Upper numeral is the numerator Lower numeral is the denominator Shaded part of rectangle Yard stick Gas tank

5 Objective 2: Select proper or improper fractions from a list of fractions

6 Objective 2 Proper fraction – numerator is less than the denominator
Improper fraction – numerator is greater than or equal to denominator

7 Objective 3: Change improper fractions to mixed numbers

8 Objective 3 Mixed number – sum of a whole number and a fraction with addition sign omitted (fraction part is usually a proper fraction) To change an improper fraction to a mixed number Divide the numerator by the denominator The quotient is the whole number part The remainder, if there is one, is the new numerator (Keep the denominator the same)

9 Objective 4: Change mixed numbers to improper fractions

10 Objective 4 Multiply the denominator times the whole number
Add the numerator to the product from step one Write the sum from step two over the denominator (keep the same denominator)


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