Welcome to class

7.rp. 2

Warm-up answer in the tablet

Learning Target

• I can determine if the complex fraction are proportional.

Guided Practice

• Determine of they are proportional.1.

Guided Practice

Determine if they are proportional2.

Examples on your own

Determine if proportional.1. 2.

Learning Target

• I can find proportional relationship.

• I can use cross product to find the proportional relationship.

Guided Practice

• Solve each proportion.1.

Guided Practice

Solve the proportion.2.

Examples on your own

Solve the proportion. 1. 2. 3.

4. 5.

Guided Practice

• Jeff hikes ½ mile every ¼ hour. Lisa hikes 1/3 mile every 1/6 hour. How far do they each hike in 1 hour? 2 hour?

Distance (mi)

½

Time (h) ¼ 1 2

Distance (mi)

1/3

Time (h) 1/6 1 2

Jeff

Lisa

Guided Practice

A. How did you find Jeff’s distance for ¾ hour?

B. Which hiker walks farther in one hour? What does this tell you about the speeds at which they each hike?

Examples on your own

Quick Review

1. Brandon enters bike races. He bikes 8 ½ miles every ½ hour. Complete the table below to find each time interval.

A. How many miles Brandon bike in 5 hours?

Distance ( mi)

8 ½

Time(h) ½ 2 ½

Practice in teams

Examples on your own:

1. While remodeling his kitchen, Arthur paints the cabinets, He estimates that he paints 30 square feet every half-hour. How many square feet does Arthur paint per hour?

A. How much does he paint in 40 hours?

Exit ticket

1. Katelyn’s hair grows half an inch every month. If it continues at this rate how long will it take to grow 5 inches?