Ratio 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 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 the two quantities.

Front

How do you find a missing number on a double number line?

Back

To find a missing number, identify the pattern or ratio between the two sets of numbers and apply it to determine the unknown value.

Front

If the ratio of sugar to flour is 3:2, what does this mean?

Back

This means that for every 3 parts of sugar, there are 2 parts of flour.

Front

How do you calculate the total amount earned from recycling cans?

Back

Multiply the number of cans collected by the earnings per can. For example, if you earn 2 cents for every 9 cans, for 18 cans you would earn 4 cents.

Front

What is the relationship between the number of boxes sold and points earned in a fundraiser?

Back

The relationship can be expressed as a ratio. For example, if you earn 4 points for every 6 boxes sold, you can calculate points earned based on the number of boxes sold.

Front

If a box contains 36 lemon pieces and the ratio of cherry to lemon pieces is 1:3, how many cherry pieces are there?

Back

There are 12 cherry pieces, as the ratio indicates that for every 3 lemon pieces, there is 1 cherry piece.

Front

What is the first step in solving a ratio problem?

Back

Identify the ratio and the quantities involved, then set up a proportion if necessary.

Front

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

Back

A double number line helps visualize the relationship between two quantities, making it easier to see patterns and solve for unknowns.

Front

What does it mean if two ratios are equivalent?

Back

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