Module 1 Mid-Module Review

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 simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

What is the greatest common divisor (GCD)?

Back

The GCD is the largest number that divides two or more numbers without leaving a remainder.

Front

If the ratio of two quantities is 5:4, what is the equivalent ratio when both terms are multiplied by 2?

Back

The equivalent ratio is 10:8.

Front

What is a tape diagram?

Back

A tape diagram is a visual model that uses rectangles to represent numbers and their relationships, often used to solve ratio and proportion problems.

Front

How can you find a missing value in a ratio?

Back

You can find a missing value in a ratio by setting up a proportion and cross-multiplying to solve for the unknown.

Front

What does it mean to scale a ratio down?

Back

Scaling a ratio down means to reduce it to its simplest form by dividing both terms by their GCD.

Front

If Helen runs a lap in 4 minutes, how would you express the number of laps she has run in terms of time?

Back

The equation is L = M ÷ 4, where L is the number of laps and M is the total minutes.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.