Ratio
What is a ratio?
A comparison of quantities with the SAME unit?
Jazz the dog chased a cat 4 miles in 32 minutes. How many minutes did it take him to chase the cat one mile?
8
Is 1:2 equivalent to 2:4?
Yes
What is ALWAYS my second term in a unit rate?
ONE
What is Ms. Bandy's FAVOURITE subject?
MATH!
How many forms do ratios have?
3! fraction, written and colon
Which is not a ratio?
5 to 4 1/3 6.2 5:7
6.2
Is 3:4 equivalent to 8:6?
No!
30 km per 4 hours ... What is my unit rate? (looking for km per hour)
7.5 km / 1 hour
What Planet is closest to Earth?
Mercury
There are 3 dogs and 2 cats at the pet center. What is ratio of cats to dogs?
2:3
What KEY WORD are we looking for in a unit rate?
PER or One
Ratio - table
refer to board
Walmart has a sale on soda 4 for $5....what is the unit rate? (dollar Per soda)
$1.25 per soda!
Sponge Bob Square Pants
Seth has 6 Milky Ways and 4 Snickers bars. What is the ratio of Snickers bars to Milky Ways in simplest form?
2 to 3
Is a rate a ratio?
YES! We are still comparing things just with DIFFERENT units.
What is an equivalent ratio for 2:3
multiple answers
Mike paid $68 for 4 pizzas. How much did he pay per pizza?
$17 per pizza
Where did Harry Potter go to school?
Hogwarts
What is an equivalent ratio for 3:5?
Multiple answers
Ratio table
Look at the board
Is $4/25 pencils equivalent to $8/50 pencils?
YES!
Why do we use unit rates when shopping?
To look for the best DEAL.
What is the most popular Christmas Movie?
Home Alone