Introduction to Ratios

Front

What is a ratio?

Back

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

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or with the word 'to' (e.g., 2 to 3).

Front

What does the term 'part' mean in ratios?

Back

A 'part' in a ratio refers to a single unit of measurement in the comparison of two or more quantities.

Front

What is the ratio of arms to fingers in a human?

Back

2:10

Front

What is the ratio of days of the week that start with the letter T to all days of the week?

Back

2:7

Front

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

Back

4:16

Front

What is the ratio of characters to females in a story?

Back

5:4

Front

What is the ratio of girls to total humans in a group?

Back

2:4

Front

How can you simplify a ratio?

Back

To simplify a ratio, divide both parts of the ratio by their greatest common divisor (GCD).

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different (e.g., 2:4 is equivalent to 1:2).