1. RATIOS & PROPORTIONS What are ratios? What are proportions? How to solve ratio and proportion problems.

2. Ratios and proportions have been around since ancient times. Look at the picture on the front slide; without accurate ratios and proportions how would the Greeks build temples like the Parthenon that are still standing this day? I bet you use ratios and proportions daily and don’t even realize it. Do you cook? Do you paint? Do you count calories? If you answered yes to any of these then you use ratios and proportion everyday! Let us dig deeper into this topic.

5.  Involves cross multiplication  Typically the equation involves three known numbers and an unknown  Unknown is represented by “x”