Ratio Tables and Double Number Lines

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

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios, helping to visualize the relationship between the quantities.

Front

What is a double number line?

Back

A double number line is a visual representation that shows two sets of numbers along parallel lines, helping to illustrate the relationship between two quantities.

Front

How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, use equivalent ratios to set up a proportion and solve for the unknown.

Front

If 3 pints of yellow paint are needed for every 5 pints of green paint, how many pints of yellow paint are needed for 27 pints of green paint?

Back

18 pints of yellow paint.

Front

What is the purpose of using ratio tables?

Back

Ratio tables help in solving problems involving proportional relationships by organizing information in a clear and systematic way.

Front

How can you use a double number line to solve a ratio problem?

Back

A double number line can be used to visually compare two quantities and find equivalent ratios by marking the corresponding values on both lines.

Front

If Mrs. Arsenault needs 14 cups of food for 7 days, how much food does she need per day?

Back

2 cups of food per day.

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

How do you convert a ratio to a percentage?

Back

To convert a ratio to a percentage, divide the first quantity by the total of both quantities and multiply by 100.