4-1 to 4-4 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 total number of items needed for multiple batches?

Back

Multiply the quantity of each ingredient by the number of batches. For example, if a recipe calls for 2 eggs and 3 cups of flour for 1 batch, for 3 batches you need 2 * 3 = 6 eggs and 3 * 3 = 9 cups of flour.

Front

What is the formula to find the cost per item?

Back

Cost per item = Total cost / Number of items. For example, if 15 pizzas cost $97.50, then the cost per pizza is $97.50 / 15 = $6.50.

Front

How do you determine if two ratios are equivalent?

Back

Front

If 8 soccer balls are ordered for 12 students, how many soccer balls are needed for 48 students?

Back

Front

What is the relationship between the number of students and soccer balls ordered?

Back

The relationship is a direct proportion, meaning as the number of students increases, the number of soccer balls ordered increases at a constant rate.

Front

What is the total cost for a certain weight of hamburger if 3 pounds cost $15?

Back

Front

How do you calculate the total number of items from a ratio?

Back

To calculate the total number of items from a ratio, add the parts of the ratio together and then use that sum to find the total based on the given quantity.

Front

What does it mean for two fractions to be equivalent?

Back

Two fractions are equivalent if they represent the same value, even if they have different numerators and denominators.

Front

How do you convert a recipe for a single batch to multiple batches?

Back

Multiply each ingredient's quantity by the number of batches you want to make.