1. Fractions

2. Roughly speaking, a fraction is a quantity that cannot be represented by a whole number. Why do we need fractions? Consider the following scenario. Can you finish the whole cake? If not, how much of the cake did you eat? 1 is not the answer, neither is 0. This suggest that we need a new kind of number.

3. Parts of a Fraction 3 4 = the number of parts = the total number of parts that equal a whole

4. Parts of a Fraction 3 4 = numerator = denominator

5. Which number is circled? 3 4 = denominator

6. Which number is circled? 3 4 = numerator

7. ¾ looks like 1/4 3 4

8. ¾ looks like 1/4 3 4

9. ¾ looks like 3 4 1/4

10. What fraction of the balls are green? 3 4

11. What fraction of the balls are blue? 1 4

12. What fraction of the balls are green? 1 6

13. What fraction of the balls are blue? 4 6

14. What fraction of the rectangle is green? 4 6

15. 2 6

16. What fraction of the pie is green? 4 4

17. 3 4

18. What fraction of the musical instruments have strings? 2 5

19. What fraction of the fish have stripes? 3 5

20. What fraction of the arrows hit the bullseye? 1 3

21. What fraction of the pins are knocked down? 2 9

22. Mixed Number A mixed number has a part that is a whole number and a part that is a fraction. = 1 3 4

23. What is the mixed number? =3 3 4

24. Improper Fraction A fraction in which the numerator is greater than the denominator. = 8 4

25. What is the improper fraction? = 15 4