Ratios in a recipe for a test

What is a ratio?

A ratio compares two quantities. It shows the relationship between them.

Example of a simple ratio.

In a recipe, if you use 2 cups of flour to 1 cup of sugar, the ratio is 2:1.

True or false: Ratios can only be whole numbers.

False, because ratios can include fractions or decimals.

Difference between 1:2 and 2:1.

1:2 means for every 1 part of the first, there are 2 parts of the second.

Fill in the blank: 3:4 is a ratio of ___ to ___.

3 parts of one ingredient to 4 parts of another ingredient.

How to double a recipe with a ratio of 2:3?

Double the amounts: 4 parts of the first ingredient and 6 parts of the second.

True or false: You can add ratios.

False, because you can only combine them under specific conditions.

What happens if you change the ratio?

Changing the ratio can change the taste and texture of the dish.

If a recipe needs 1:2:3 ratio, what does that mean?

It means for every 1 part of the first ingredient, use 2 of the second and 3 of the third.

How to find the total parts in a 2:3 ratio?

Add the parts: 2 + 3 = 5 total parts.

If you scale a recipe to 6 servings and the ratio is 1:3, how much for each?

Use 1 part of one ingredient and 3 parts of the other for a total of 4 parts.

What is a proportion?

A proportion states that two ratios are equal, like 1:2 = 2:4.