Chapter 4 Review

Front

What is a ratio?

Back

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

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 2:5), as a fraction (e.g., 2/5), or with the word 'to' (e.g., 2 to 5).

Front

What is the ratio of red to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2 to 5.

Front

If a bag contains 3 blue, 2 red, and 5 yellow marbles, what is the total number of marbles?

Back

The total number of marbles is 10 (3 + 2 + 5).

Front

How do you find the rate for multiple items based on a single purchase?

Back

To find the rate for multiple items, divide the total cost by the number of items purchased to find the cost per item, then multiply by the desired number of items.

Front

If 5 movie tickets cost $25.50, what is the cost of one ticket?

Back

The cost of one movie ticket is $5.10 ($25.50 ÷ 5).

Front

What is the cost for 9 movie tickets if one ticket costs $5.10?

Back

The cost for 9 movie tickets is $45.90 ($5.10 × 9).

Front

What is the ratio of school apps to game apps if Kelly has 5 school apps and 3 game apps?

Back

The ratio of school apps to game apps is 5 to 3.

Front

If there are 5 boys and 7 girls, what is the ratio of boys to girls?

Back

The ratio of boys to girls is 5 to 7.

Front

What is the missing number if the options are 12, 3, 11, 13 and the correct answer is 12?

Back

The missing number is 12.