Block 1 Percents and Proportions

Front

Percent

Back

A car salesperson earns 5% of the selling price for every car they sell.

Front

Scale Factor

Back

To make a larger batch of cookies, you multiply every ingredient in the recipe by 2. The number 2 is the scale factor.

Front

Tip (Gratuity)

Back

At a restaurant, you leave an extra 20% of the bill on the table for the server.

Front

Proportion

Back

The equation 2:5 = 4:10 shows that two ratios are equal.

Front

Discount

Back

A pair of jeans that originally cost $50 is on sale for $10 off the original price.

Front

Unit Rate

Back

A store's price for apples is listed as $2.49 per pound.

Front

Ratio

Back

The comparison of 13 boys to 15 girls in a classroom.

Front

Sales Tax

Back

When you buy a new video game, an extra 8% is added to the price at the register.

Front

Percent of a Number

Back

On a math test, you answered 45 out of 50 questions correctly, which is 90%.

Front

Commission

Back

A problem that asks you to calculate what 25% of 80 is.