2. Identifying and Modeling Fractions Pamela D. Coleman

3. What is a fraction? A fraction represents a part of a whole or part of a set. Example: The pizza slice is one part of the whole pizza. 2

4. Fractions There are two numbers in a fraction. 1 2 The top number is called the numerator. The bottom number is called the denominator. TIP: The Denominator is Downstairs 3

5. Fractions The numerator tells how many parts of the whole or set you have. The denominator tells how many parts the whole or set is divided into. 4 1 2

6. Example The circle is divided into 4 equal parts, or fourths. Each part is one-fourth of the whole circle - one part out of four parts in all. Two parts out of four parts would be… Two-fourths or one half 5 1 4 1 2

7. Example Each part is one half of the whole window - one part out of two parts in all. Two parts out of two parts would be… One whole or 2/2 or 1 The window is divided into 2 equal parts, or halves. 6 1/2

8. 7 Top number is the numerator Bottom number is the denominator Part of a whole Numerator – tells how many parts of the whole you have Denominator – how many parts the whole is divided into

9. Practice... What fraction of the pizza has pepperoni on it? Hint: How many slices have pepperoni on them? 3 Hint: How many slices are there in all? 4 What fraction of the pizza has pepperoni on it? ¾ (three-fourths) That’s correct! Let’s play a game!

10. More practice… What fraction of the teddy bears is not brown? 9

11. References http://www.kidsnumbers.com/turkey- terminator-math-game.phphttp://www.kidsnumbers.com/turkey- terminator-math-game.php 10

12. http://www.mathplayground.com/games.htmlhttp://www.mathplayground.com/games.html http://www.iknowthat.com/com/L3?Area =L2_Mathhttp://www.iknowthat.com/com/L3?Area =L2_Math 11 Other helpful math websites…

13. Thank you! 12

14. Correct! 3 5 Three - fifths 13 Back

15. Oops…let’s try again… 14 Back