1. What Are Fractions?

2. An integer is a POSITIVE or NEGATIVE whole number
Examples:
1, 5, 8, 25, 90, -3, -56, -234
Non-Examples:
.5, ½, , -3/4

3. What is a Fraction? A fraction is a part of a whole
like a piece of a whole pizza or a whole pie
A fraction is also a part of a set
like in a dozen cupcakes

4. Equal Parts not equal parts equal parts
To have a fraction, you must have equal parts
not equal parts
equal parts

5. What does a fraction look like?1 4
numerator
denominator

6. Numerator and Denominator
Numerator – The number on top that tells how
many equal parts are described in the fraction.
Denominator – The quantity below the line in a fraction. It tells the number of equal parts into which the whole is divided.

7. How Do We Read Fractions?2 1 6 1
one half
one sixth 3 1 8 1
one third
one eighth 4 1 10 1
one fourth
one tenth

8. Parts of a Set
Example - We made 6 cookies. 1 is peanut butter and 5 are chocolate chip. How would you write the number of peanut butter cookies as a fraction. 1
the number of peanut butter cookies 6
the total number of cookies

9. 1 2 Parts of a Set What fraction of the triangles are red?
red triangles 2
total number triangles

10. 1 4 Parts of a Set What fraction of the boxes are orange? orange boxes
total number boxes

11. 4 10 Parts of a Set What fraction of the stars are yellow?
yellow stars 10
total number stars

12. Parts of a Whole
Example – I ordered one whole pizza. It was cut into 8 slices. I ate 2 slices. What fraction of the whole pizza did I eat? 2
the number of slices I ate 8
the total number of pizza slices

13. Parts of a Whole
What is the fraction of the colored part of each picture below? 3 1 8 1 2 1 6 1 4 1

14. Parts of a Whole
What is the fraction of the blue part of the picture below? 1 3 2 4 4

15. Parts of a Whole
What is the fraction of the colored part of each picture below? 6 4 2 3 2 8 7 4 3

16. Proper Fraction
A Proper Fraction has a top number (numerator) less than its bottom number (denominator)
Example: 3 2 8 7

17. Improper Fraction
Fraction in which the numerator is bigger than the denominator. You must DIVIDE to make it into a mixed number.
EX: 25 4

18. Number that contains a whole number and a fraction.
Mixed Number
Number that contains a whole number and a fraction.
Ex: 3 ½

19. Greatest Common Facter
Also known as GCF
The largest number that divides evenly into two or more numbers.
Used when simplifying fractions

20. Least Common Multiple
The least common multiple of the denominators of two or more fractions.
Ex: 4/8 and 5/6
Multiples of 8: 8, 16, 24, 32, 40, 48, 56
Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48

21. PowerPoint a combination of:
And
- Mrs. Draper