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 14 inches of snow fell in 5 hours, the unit rate is 14 ÷ 5 = 2.8 inches per hour.

Front

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

Back

1.5 cups of raisins per loaf (12 cups ÷ 8 loaves = 1.5 cups/loaf).

Front

What is the formula to calculate the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If you use 9 cups of raisins, how many loaves of bread can you make if the ratio is 12 cups for 8 loaves?

Back

6 loaves of bread (9 cups of raisins corresponds to 6 loaves based on the ratio).

Front

What does the term 'unit rate' mean?

Back

Unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

If Justin can type 408 words in 4 minutes, how many words can he type in 1 minute?

Back

102 words per minute (408 words ÷ 4 minutes = 102 words/minute).

Front

How do you convert a total amount into a unit rate?

Back

Divide the total amount by the number of units to find the unit rate.

Front

If Will spent $3.75 for 3 pounds of gummy bears, what is the cost per pound?

Back

$1.25 per pound ($3.75 ÷ 3 pounds = $1.25/pound).

Front

What is the relationship between the quantities on a double number line?

Back

The quantities on a double number line show proportional relationships, allowing for easy comparison and calculation.