Ratios
Ratio definition and example
What is a comparison of two quantities
Rate definition and example
What is a comparison of two different quantities with different units. Example: 30 doughnuts in 15 minutes
Unit rate definition and example
What is the rate that compares a quantity to one unit of another quantity? Example: 60 missiles per jet
Proportion definition and example.
A proportion is an equation that states that two ratios are equal. Example: 1/2 = 2/4.
Tell when a lemonade seller might use ratio in real-life
What is comparing the amounts of sugar to lemon juice?
Simplify the ratio 12:8
What is 6:3?
State the rate: A sigma travels 24 miles in a span of 8 hours
What is 24 miles in 8 hours?
Find the unit rate of 25 betas to 5 skibidis
What is 1 beta per skibidi?
Decide proportionality: 4/6 = 6/9
What are not proportional?
The average American student is in class 330 minutes / a day. Convert into seconds / a day.
What is 19,800 seconds a day?
The three types of ratios
What is Part-to-Part, Part-to-Whole, and Whole-to-Part?
Compare rate and a ratio
What are comparisons of quantities?
Define "per"
What is an indication of quantity comparison?
Make this relationship proportional, 4/x = 8/12
What is x=6?
Explain how unit rate can help a shopper
What is inform them of the better deal?
A recipe calls for 4 cups of flour, 2 cups of cinnamon, 2 cups of sugar. What is the part-to-whole ratio of flour to total ingredients?
What are 4 cups of flour to 8 total cups?
State the rate: You wash one hundred cars over the course of ten hours
What is 100 cars in 10 hours?
Find the unit rate: You pay $108 for 9 concert tickets.
What is $9 per ticket?
Find the proportion: 6 pencils cost $2, how much are 18 pencils
What is $8?
The average American student is in school for 330 minutes a day. Convert this to hours a week.
What is 27.5 hours a week?
Simplify 15:45
What is 1:3?
State the rate: One cobra eats eight mice within twenty minutes.
What is 8 mice in 20 minutes ?
Find the unit rate: 48 lilly pads and 12 frogs
What is 4 lilly pads per 1 frog?
What are the two characteristics of a proportional line?
What is runs through the origin (0,0) and is a straight line?
Contrast ratio and rate
What is a ratio compares quantities of the same unit, while a rate compares different units at once?