Unit 2 Part 1 - Ratios, Equivalent Ratios and Ratio Tables

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 is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between quantities, even if the numbers are different.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

What is the ratio of 5 balloons to 7 balloons?

Back

The ratio of 5 balloons to 7 balloons is 5:7.

Front

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

Back

Yes, the ratios 6:10 and 18:30 are equivalent because both simplify to 3:5.

Front

If you buy 15 pizzas for $97.50, what is the unit cost per pizza?

Back

The unit cost per pizza is $97.50 ÷ 15 = $6.50.

Front

What does it mean to express a ratio in simplest form?

Back

Expressing a ratio in simplest form means reducing it to the smallest whole numbers that maintain the same relationship.

Front

How can you represent ratios using a ratio table?

Back

A ratio table lists pairs of equivalent ratios in a structured format, showing how one quantity changes in relation to another.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.