Math Review Nov 22 & Nov 23

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 simplify a ratio?

Back

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

Front

What does the ratio 4:3 mean in terms of triangles and squares?

Back

It means for every 4 triangles, there are 3 squares.

Front

If the ratio of triangles to squares is 4:3, how many squares are there if there are 12 triangles?

Back

There are 9 squares.

Front

What is the first step in solving a ratio problem?

Back

Identify the quantities being compared and write them as a fraction.

Front

What is the difference between a ratio and a fraction?

Back

A ratio compares two quantities, while a fraction represents a part of a whole.

Front

How can you express the ratio of 2:6 in simplest form?

Back

The simplest form of 2:6 is 1:3.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

Cross-multiply and then solve for the unknown variable.

Front

What is the relationship between ratios and proportions?

Back

Ratios can be used to form proportions, which help in solving problems involving equivalent ratios.