Double Number Lines

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 relationships between quantities.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units. For example, if 120 customers visit a store in 8 hours, the unit rate is 120 ÷ 8 = 15 customers per hour.

Front

If 18 people go down a slide in 3 minutes, how long would it take for 12 people?

Back

It would take 2 minutes for 12 people to go down the slide.

Front

What is the unit rate of $40 for 5 pounds of concrete?

Back

The unit rate is $8 per pound.

Front

If Kim makes 8 loaves of bread using 12 cups of raisins, how many cups of raisins does she use per loaf?

Back

She uses 1.5 cups of raisins per loaf.

Front

What is the relationship shown in a double number line?

Back

A double number line shows the proportional relationship between two quantities.

Front

How can you determine the next numbers on a double number line?

Back

You can determine the next numbers by identifying the pattern or ratio between the two sets of numbers.

Front

What does it mean if a double number line is proportional?

Back

It means that the ratios of the two quantities remain constant.

Front

If 12 cups of sugar correspond to 8 cups of flour, how many cups of flour correspond to 24 cups of sugar?

Back

16 cups of flour correspond to 24 cups of sugar.

Front

What is the purpose of using a double number line in problem-solving?

Back

It helps visualize relationships and make calculations easier.