7th grade Ratio and Proportions

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: as a fraction (e.g., 3/4), with a colon (e.g., 3:4), or in words (e.g., '3 to 4').

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its simplest form by dividing both terms by their greatest common factor.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, you can cross-multiply and then divide to find the unknown value.

Front

What is the unit rate?

Back

The unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per'.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

What is a rate?

Back

A rate is a special kind of ratio that compares two quantities with different units.

Front

How can you use ratios in real life?

Back

Ratios can be used in cooking, budgeting, and comparing prices to make informed decisions.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, and both represent a part-to-whole relationship.