4/7 Lesson 7.1.2 Scaling Quantities

1.  Warm-up:  Math Checklist

2.  Lesson 7.1.2 Scaling Quantities (scale factor) on page 385

• Objective:  I will solve percent problems efficiently using the idea of multiplication of scale factors.
• Bike race video.
• A Tour de France biker can ride at a constant speed of 25 mph.  How far would he/she ride in 2 hours?  In 3 hours?  How about 3/5 of an hour?
• Problems 18 and 19 as Red Light, Green Light
• Dojo Challenge:  Problem 20

Homework:  Lesson 7.1.2 R/P #21, 22, 24