Ratio Table Flashcard

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

How do you solve for a missing value in a ratio table?

Back

To solve for a missing value in a ratio table, you can set up a proportion based on the known values and cross-multiply to find the unknown.

Front

What does it mean to scale a ratio?

Back

Scaling a ratio means multiplying or dividing both parts of the ratio by the same number to maintain the same relationship between the quantities.

Front

If the ratio of red paint to yellow paint is 3:5, how much yellow paint is needed for 9 oz of red paint?

Back

15 oz of yellow paint is needed.

Front

What is the purpose of a ratio table?

Back

A ratio table is used to organize and compare ratios, making it easier to see relationships and solve problems involving proportional reasoning.

Front

How do you find the total cost from a ratio table?

Back

To find the total cost from a ratio table, identify the cost per unit and multiply it by the number of units purchased.

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.

Front

If a ratio is 4:3, what is the equivalent ratio if both parts are multiplied by 2?

Back

The equivalent ratio is 8:6.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How can you check if two ratios are equivalent?

Back

You can check if two ratios are equivalent by cross-multiplying and comparing the products.