Equivalent Ratios Warmup

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, meaning they simplify to the same fraction.

Front

How can you determine if two ratios are equivalent?

Back

You can determine if two ratios are equivalent by cross-multiplying and checking if the products are equal.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the numbers are reduced to their smallest whole number values.

Front

What is the ratio of 12 to 20 in simplest form?

Back

The simplest form of the ratio 12:20 is 3:5.

Front

If a recipe calls for a ratio of 2:3 for sugar to flour, how much sugar is needed for 9 cups of flour?

Back

For 9 cups of flour, you need 6 cups of sugar (2/3 of 9).

Front

What is the relationship between equivalent ratios and fractions?

Back

Equivalent ratios can be expressed as equivalent fractions, meaning they represent the same part of a whole.

Front

How do you find a missing number in a ratio?

Back

To find a missing number in a ratio, set up a proportion and solve for the unknown value.

Front

What is the ratio of 6 muffins to 3 dollars?

Back

The ratio of muffins to dollars is 6:3, which simplifies to 2:1.

Front

If Mrs. Shelly paid $3 for 6 muffins, what is the cost per muffin?

Back

The cost per muffin is $0.50 (3 dollars divided by 6 muffins).