Intro to math M3 L1

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio comparing two quantities?

Back

A ratio can be written in three ways: as a fraction (e.g., 12/10), with a colon (e.g., 12:10), or with the word 'to' (e.g., 12 to 10).

Front

Write the ratio of 12 doughnuts to 10 muffins.

Back

12/10 or 12:10 or 12 to 10.

Front

Write the ratio of 10 green skittles to 45 total skittles.

Back

10/45 or 10:45 or 10 to 45.

Front

What is the total number of breakfast goodies if there are 12 doughnuts and 10 muffins?

Back

The total is 12 + 10 = 22 breakfast goodies.

Front

Write the ratio of 10 muffins to the total number of breakfast goodies (22).

Back

10/22 or 10:22 or 10 to 22.

Front

Write the ratio of 3 bikes to 4 scooters.

Back

3/4 or 3:4 or 3 to 4.

Front

Write the ratio of 2 skateboards to the total number of toys (9).

Back

2/9 or 2:9 or 2 to 9.

Front

What is the first step in writing a ratio?

Back

Identify the two quantities you want to compare.

Front

How can ratios be simplified?

Back

Ratios can be simplified by dividing both terms by their greatest common divisor.