1. Chapter 5 Pre-test
Grab your clicker and a scrap piece of paper!

2. Chapter 5: Operations With Fractions
Section 5-1: Comparing and Ordering Fractions

3. Multiples
A multiple of a number is the product of that number and any nonzero whole number. Example: Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, … Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, … Common Multiples: The numbers 12, 24, and 36 are common multiples of 4 and 6. The common multiple of 12 is the least common multiple!!!

4. Multiples
Today both the swim and wrestling teams have meets. The swim team has meets every 5 days. The wrestling team has meets every 6 days. When will both teams have meets on the same day again? Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, … Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, … The least common multiple(LCM) is 30!!!

5. Multiples – Practice!!
Find the LCM of 3 & 4: Multiples of 4: 4, 8, 12, 16, 20, 24, 28, … Multiples of 3: 3, 6, 9, 12, 15, 18, … The least common multiple(LCM) is 12!!!

6. Multiples – Practice!!
Find the LCM of 4 & 5: Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, … Multiples of 4: 4, 8, 12, 16, 20, 24, 28, … The least common multiple(LCM) is 20!!!

7. Multiples – You Try!!
Find the LCM of 3, 4, & 5: Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, … Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, … Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, … The least common multiple(LCM) is 60!!!

8. LCM – Practice!!
Find the LCM of 4a2 & 5a3: Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, … Multiples of 4: 4, 8, 12, 16, 20, 24, 28, … For the Power, we use the larger of the exponents for each variable! The least common multiple(LCM) is 20a3!!!

9. LCM – Practice!!
Find the LCM of 3x & 4xy: Multiples of 4: 4, 8, 12, 16, 20, 24, 28, … Multiples of 3: 3, 6, 9, 12, 15, 18, … For the Power, we use the larger of the exponents for each variable! The least common multiple(LCM) is 12xy!!!

10. LCM – You Try!!
Find the LCM of 8a2 & 14a4: Multiples of 14: 14, 28, 42, 56, … Multiples of 8: 8,16, 24, 32, 40, 48, 56, … For the Power, we use the larger of the exponents for each variable! The least common multiple(LCM) is 56a4!!!

11. LCM – You Try!!
Find the LCM of 15m2n5 & 25mn4: Multiples of 25: 25, 50, 75, … Multiples of 15: 15, 30, 45, 60, 75, … For the Power, we use the larger of the exponents for each variable! The least common multiple(LCM) is 75m2n5!!!

12. Graphing Fractions – Practice!
Graph and compare:

13. Graphing Fractions – Practice!
Graph and compare:

14. Graphing Fractions – You Try!
Graph and compare:

15. Comparing Fractions - Practice!!
First find the least common denominator.
The LCM of 2, 4, and 5 is: 20

16. Comparing Fractions - Practice!!
First find the least common denominator.
The LCM of 3, 6, and 12 is: 12

17. Comparing Fractions – You Try!!
First find the least common denominator.
The LCM of 10, 5, and 2 is: 10

18. Homework!!!!
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