Introduction to Ratios 6RP1

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Front

What does a part-to-part ratio represent?

Back

A part-to-part ratio compares two parts of a whole, showing how much of one part there is compared to another part.

Front

What does a part-to-whole ratio represent?

Back

A part-to-whole ratio compares a part of a quantity to the entire quantity, showing how much of the whole is made up by that part.

Front

What is the ratio of total heads to total legs in a group of 4 humans?

Back

4:16 (since each human has 1 head and 2 legs, total heads = 4, total legs = 8).

Front

If there are 2 girls and 4 boys, what is the ratio of girls to total humans?

Back

2:6 or simplified to 1:3.

Front

On a human, what is the ratio of arms to fingers?

Back

2:10 (2 arms and 10 fingers).

Front

What is the ratio of males to females in a group of 5 males and 5 females?

Back

5:5 or simplified to 1:1.

Front

How do you simplify the ratio 4:8?

Back

By dividing both sides by 4, it simplifies to 1:2.

Front

What is an example of a whole-to-whole ratio?

Back

Comparing the total number of students in two different classes.

Front

If a recipe calls for 2 cups of flour and 4 cups of sugar, what is the ratio of flour to sugar?

Back

2:4 or simplified to 1:2.