3.12 Review Ratios & Proportional Reasoning

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

If the ratio of green marbles to blue marbles is 3:4 and there are 49 total marbles, how many green marbles are there?

Back

21 green marbles

Front

If hamburger meat sells for $6 for every 3 pounds, how much will Alicia pay for 10 pounds?

Back

$20

Front

What is the value of A if the table shows a proportional relationship and A corresponds to 45?

Back

45

Front

What is the value of A if the table shows a proportional relationship and A corresponds to 3?

Back

3

Front

How do you find a missing value in a ratio?

Back

You can set up a proportion and solve for the missing value.

Front

What is Proportional Reasoning?

Back

Proportional reasoning involves understanding the multiplicative relationship between quantities.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

How do you express a ratio in simplest form?

Back

Divide both quantities by their greatest common factor.

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

Back

180 miles.