7H Ratios and Ratio Tables

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

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

Front

If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, are these ratios equivalent?

Back

Yes, both ratios simplify to 1/2 muffin per dollar.

Front

How do you find the cost of multiple items using a ratio table?

Back

You can use the unit rate from the ratio table to multiply by the number of items to find the total cost.

Front

If 3 apps cost $9, how much do 7 apps cost?

Back

$21, because the unit rate is $3 per app.

Front

What is a ratio table?

Back

A ratio table is a tool used to organize equivalent ratios in a structured format, making it easier to see relationships between quantities.

Front

How do you complete a ratio table?

Back

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

Front

If a ratio table shows 10, 15, and 20, what are the next two values if the pattern continues?

Back

25 and 30, following the pattern of adding 5.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second quantity is 1, often used to find the cost per item.

Front

If A=45 in a ratio table, what does this mean?

Back

It means that the value of A corresponds to a specific quantity in the ratio relationship being analyzed.