Review: Ratios and Rates (Lessons 1-5)

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 to b' or a:b.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as speed (miles per hour) or price per item.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

What is the LCM (Least Common Multiple)?

Back

The LCM is the smallest multiple that is exactly divisible by two or more numbers.

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple they have in common.

Front

What is the ratio of red LEGOS to yellow LEGOS if there are 3 red and 6 yellow?

Back

The ratio is 1:2.

Front

If Kelly has 5 school apps and 3 game apps, what is the ratio of school apps to game apps?

Back

The ratio is 5:3.

Front

What is the simplest form of the ratio 10:5?

Back

The simplest form is 2:1.