Ratio
What is a ratio?
A comparison of quantities with the SAME unit?
What is a rate?
A comparison of two quantities measured in DIFFERENT types of units.
Is 1:2 equivalent to 2:4?
Yes
What is ALWAYS my second term in a unit rate?
ONE
What is Mrs. Schmidt's Favorite subject?
MATH!
How many forms do ratios have?
How many forms do rates have?
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
A recipe for 10 oz of fondue requires 8 oz of cheese. What do you need for 60 oz of fondue?
What is 48 oz
How many ratio relationships are there?
3; part to part, part to whole, whole to part
What KEY WORD are we looking for in a written rate?
PER!
What is the fancy word for "=" when writing equivalent rates & ratios?
Proportion!
$1.66 per pop!
What is the other name used when finding the mean of a data set?
average
What is the common form of a ratio?
colon form!
Is a rate a ratio?
YES! We are still comparing things just with DIFFERENT units.
To write 1:2 to be equivalent to 2:4, first in need to find the ....?
Scale Factor!
Mike paid $68 for 4 pizzas. How much did he pay per pizza?
$17 per pizza
What is 354/14?
25.29
What type of relationship is pepperoni pizza to plain pizza?
Part to Part
UNITS
Is $12/162 pencils equivalent to $36/486 pencils?
YES!
Why do we use unit rates when shopping?
To look for the best DEAL.
What is the prime factorization for 156?
2 x 2 x 3 x 13