Double Number Lines and Equivalent Ratios

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 equivalent ratios.

Front

What are equivalent ratios?

Back

Equivalent ratios are two or more ratios that express the same relationship between numbers.

Front

What is a proportion?

Back

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

Front

What is a ratio table?

Back

A ratio table is a display of equivalent ratios organized in rows and columns.

Front

How do you find a unit rate?

Back

To find a unit rate, divide the quantity of one item by the quantity of another item to express it as a rate per one unit.

Front

If the ratio of red paint to yellow paint is 1:5, how many teaspoons of yellow paint are in 4 batches of red paint?

Back

20 teaspoons of yellow paint.

Front

What is the unit rate of 5 pages read in 20 minutes?

Back

The unit rate is 0.25 pages per minute.

Front

If Collin reads 5 pages in 20 minutes, how long does it take him to read 11 pages?

Back

It takes him 44 minutes.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, showing the same relationship between two quantities.

Front

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

Back

You can use a double number line to visually compare two ratios and find equivalent values.