RATIO REVIEW FLASHCARDIZZ

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the quantity by the number of units. For example, if you travel 120 miles in 2 hours, the unit rate is 120 miles ÷ 2 hours = 60 miles per hour.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

How do you scale a recipe that serves 4 to serve 10?

Back

To scale a recipe, multiply each ingredient by the factor of the new serving size divided by the original serving size. For example, to scale from 4 to 10, multiply by 10/4 = 2.5.

Front

What is the formula for calculating speed?

Back

Speed = Distance ÷ Time.

Front

If you drive 240 miles in 4 hours, what is your speed?

Back

Your speed is 240 miles ÷ 4 hours = 60 miles per hour.

Front

What is a double number line?

Back

A double number line is a visual representation that shows two related quantities and their corresponding values, helping to find equivalent ratios.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total price by the number of items. For example, if a pack of 10 costs $20, the unit price is $20 ÷ 10 = $2 per item.

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

If a car travels 150 miles using 5 gallons of gas, what is the miles per gallon?

Back

Miles per gallon = 150 miles ÷ 5 gallons = 30 miles per gallon.