Which Are You?

1
Which Are You?
Girl
Boy
2
Which Do You Prefer?
pizza
wings
3
Did you watch the USA vs. Canada hockey game?
yes
no
4
Ratios
A ratio is a comparison of two items that are
measured using the same unit of
measure. Examples - Boys to Girls (unit of
measure people) - Hours of HW to Hours of
TV - Potato Chips you eat to Potato Chips Mr. F.
eats - Your turn to think of one discuss at
your table
5
Rates vs. Ratios
Rates and ratios are like identical twins. They
look exactly the same, they are solved the same
exact way, but there is one major
difference. The difference we care about is the
unit of measure Same Unit Ratio Different
Unit Rate
6
Rates vs. Ratios

• Can you figure out which of the following is a
  rate?Which is a ratio?
• Cards Up to Cards Down
• Shots Made to Shots Missed
• Miles per Hour
• Calories per Serving
• Students in Band to Students in 6th Grade
• SO WHAT IS THE DIFFERENCE?

7
This year the Green Bay Packers finished with a
record of 11 wins and 5 loses. We can represent
this information in a variety of ratios
8

• Part-to-Part
• A ratio that compares parts of information.
• In this case the ratio would be games won to
  games lost.
• The ratio would be

9

• Part-to-Whole
• A ratio that compares a part of the information
  to all of the information.
• In this case it would be games won to all games
• The ratio would be