Ratios

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

How do you simplify a ratio?

Back

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

Front

What does a ratio of 4:3 mean?

Back

It means for every 4 units of the first quantity, there are 3 units of the second quantity.

Front

How can you express a ratio as a fraction?

Back

A ratio 'a:b' can be expressed as the fraction a/(a+b) for the first part or b/(a+b) for the second part.

Front

What is the ratio of blue triangles to red squares if there are 4 blue triangles and 3 red squares?

Back

4:3

Front

If there are 8 boxes containing 12 pencils each, how many pencils are there in total?

Back

96 pencils (8 boxes x 12 pencils per box = 96 pencils).

Front

Are the ratios 6:10 and 18:30 equivalent?

Back

Yes, they are equivalent because both simplify to 3:5.

Front

What is the ratio of blue circles to the total number of circles if there are 2 blue circles and 3 total circles?

Back

2:5

Front

If there are 4 birds and 6 snakes, what is the ratio of birds to snakes?

Back

2:3

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two different parts of a whole.