7th grade Ratio and Proportion

Front

What is a ratio?

Back

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

Front

What is a proportion?

Back

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

Front

How do you find the constant of proportionality?

Back

The constant of proportionality can be found by dividing the dependent variable (y) by the independent variable (x) in a proportional relationship.

Front

What does it mean for a table to be proportional?

Back

A table is proportional if the ratio of the values in one column to the values in another column is constant.

Front

How can you determine if a graph is proportional?

Back

A graph is proportional if it passes through the origin (0,0) and forms a straight line.

Front

What is an example of a ratio?

Back

An example of a ratio is 3:4, which means for every 3 parts of one quantity, there are 4 parts of another.

Front

What is the formula for finding a ratio?

Back

The formula for finding a ratio is: Ratio = Quantity A : Quantity B.

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

What does it mean if two ratios are equivalent?

Back

If two ratios are equivalent, it means they represent the same relationship between quantities.

Front

How do you solve a proportion?

Back

To solve a proportion, you can use cross-multiplication to find the unknown value.