how do you simplify a rate to its unit rate?
DESCRIPTION
How do you simplify a rate to its unit rate?. In this lesson you will learn to create a unit rate by using a diagram. A unit rate is a rate where a quantity is always being compared to one of another quantity. 1. 30 miles per hour. You ran at a speed of 20 minutes per 2 miles. . - PowerPoint PPT PresentationTRANSCRIPT
How do you simplify a rate to its unit rate?
In this lesson you will learn to create a unit rate by using a
diagram.
Let’s Review
A unit rate is a rate where a quantity is always being compared to one of
another quantity.
30 miles per hour1
A Common MistakeYou ran at a speed of 20 minutes per 2 miles.
10 minutes per mile!
110mile per minute
Core Lesson
Annie took 4 minutes to decorate 8 cookies. What is her unit rate of decorating cookies?
Minutes 1 1 1 1 = 4
Cookies 2 2 2 2 = 8
Core Lesson
Minutes 1 1 1 1 = 4
Cookies 2 2 2 2 = 8
Annie decorates 2 cookies per minute.
Annie takes 1 2 minute per cookie.
In this lesson you have learned to create a unit rate by using a
diagram.
Guided Practice
A car travels at a speed of 15 miles in 5 hours. What are its unit rates of speed?
Extension Activities
It took Charles 4 minutes to decorate the cookies below. Use a diagram to create the two unit rates.
Underneath your diagram, explain the computation you used to create the unit rates.
Extension Activities
Cereal A comes in a 24 oz container and costs $3.60. Cereal B costs $2.80 and comes in a 20 oz container. Which cereal is more economical?
Hint: Create a diagram for each cereal.
Quick Quiz
George buys 15 oranges for $3. What are the two unit rates for this scenario?
Kelly ices four cupcakes in one minute. What is the other unit rate for this scenario?