Rates and Unit Rates

Front

What is a unit rate?

Back

A unit rate is a ratio in fraction form that has a denominator of 1.

Front

If Charles can type 675 words in 9 minutes, how many words can he type per minute?

Back

75 words per minute.

Front

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

Back

19 cars per day.

Front

Luke can paint 91 portraits in 7 weeks. How many portraits does he paint each week?

Back

13 portraits per week.

Front

What is the formula to find a unit rate?

Back

Unit Rate = Total Quantity / Total Time.

Front

If a car travels 300 miles in 5 hours, what is the speed in miles per hour?

Back

60 miles per hour.

Front

What is the relationship between ratios and unit rates?

Back

A unit rate is a specific type of ratio that compares a quantity to one unit of another quantity.

Front

How do you solve a proportion?

Back

Cross-multiply and then divide to find the unknown value.

Front

If a recipe requires 4 cups of flour for 8 servings, how much flour is needed for 1 serving?

Back

0.5 cups of flour.

Front

What is the unit rate of 150 miles in 3 hours?

Back

50 miles per hour.