Ratios, Tables, & Graphs

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you complete a ratio table?

Back

To complete a ratio table, identify the relationship between the quantities and use multiplication or division to find missing values.

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, showing how much of one quantity corresponds to one unit of another quantity.

Front

If a car wash can wash 4 cars in 1 hour, how many cars can it wash in 3 hours?

Back

12 cars (4 cars/hour * 3 hours = 12 cars).

Front

How do you find the unit rate from a total?

Back

To find the unit rate, divide the total quantity by the number of units. For example, if Anna types 408 words in 4 minutes, the unit rate is 408 ÷ 4 = 102 words per minute.

Front

What does a graph represent in relation to a table of values?

Back

A graph visually represents the ordered pairs from a table, showing the relationship between the two quantities.

Front

What is the purpose of a ratio table?

Back

A ratio table helps to organize and compare ratios, making it easier to see relationships and find equivalent ratios.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they simplify to the same fraction or if their cross products are equal.

Front

What is the formula for finding a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.