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 proportion?

Back

A proportion is an equation that states that two ratios are equal. For example, if a:b = c:d, then a, b, c, and d are in proportion.

Front

If 3 avocados cost $6, how much does 1 avocado cost?

Back

$2

Front

If 3 avocados cost $6, how much do 7 avocados cost?

Back

$14

Front

In a recipe, if you double the ingredients, what happens to the ratio of the ingredients?

Back

The ratio remains the same, but the quantities of each ingredient are doubled.

Front

If a recipe calls for 2 cups of sugar and 6 tablespoons of vanilla, how much of each ingredient would you use if you half the recipe?

Back

1 cup of sugar and 3 tablespoons of vanilla.

Front

What is the formula to find the cost of multiple items based on a unit price?

Back

Cost = (Unit Price) x (Number of Items)

Front

If 9 avocados cost $5, how much do 18 avocados cost?

Back

$10

Front

How do you find a missing value in a proportion?

Back

Cross-multiply the known values and solve for the unknown value.

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.