Understanding Ratios

What is a ratio primarily used for?

• To compare different quantities

• To measure the weight of objects

• To calculate the area of a shape

• To determine the speed of an object

In a part-to-part ratio, what are you comparing?

• The total to a part

• Two different parts of a total

• A part to the whole

• Two identical parts

How would you express the ratio of 3 strawberries to 4 bananas using a colon?

• 3 to 4

• 3:4

• 3, 4

• 3/4

Which of the following is NOT a way to write a ratio?

• Using a colon

• As a fraction

• In word form

• As a decimal

If a recipe calls for 3 cups of flour, 2 cups of sugar, and 1 cup of butter, what is the ratio of flour to sugar to butter?

• 1:3:2

• 2:3:1

• 1:2:3

• 3:2:1

How can you use ratios to determine the cost of items in a grocery store?

• By multiplying the number of items by their price

• By comparing the quantity of items to their total cost

• By dividing the total cost by the number of items

• By adding the prices of all items

What is the new ratio of ingredients if you double a recipe that originally calls for 3 cups of flour, 2 cups of sugar, and 1 cup of butter?

• 12:8:4

• 9:6:3

• 3:2:1

• 6:4:2

Why is it important to move the decimal point when dividing by a decimal in a ratio?

• To make the division easier

• To ensure the quotient is accurate

• To convert the decimal to a fraction

• To simplify the numbers

What is the correct way to express $2.5 in terms of money?

• $2.15

• $2.55

• $2.05

• $2.50

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