Convert units using dimensional analys

Learning Goal: How can you show that two objects are proportional?

Lesson Objective: Convert Units of Measure between derived units to solve problems

DOL:

Vocabulary

Unit Ratio
Dimensional Analysis  Click for link.

What we will learn today?
To convert on rate to an equivalent rate by multiplying by a unit ratio or its reciprocal.

1. How can you find the number of feet in 2 yard?
2. How many feet are in 1 2/3 yards?
3. How can you find the number of inches in 1 yard?

refer to page 117 in your planner.

Copy down steps!

Practice Problems

1.       A remote control car travels at a rate of 10 feet per second.  How many inches per second.  How many inches per second is this?

2.       A swordfish can swim at a rate of 60 miles per hour. How many feet per hour is this?

3.       A gull can fly at a speed of 22 miles per hour. About how many feet per hour can the gull fly?

4.       An AMTRAK train travels at 125 miles per hour. Convert the speed miles per minute.  Round to the nearest tenth.

5.       Marvin walks is at a speed of 7 feet per second.  How many feet per hour is this?

6.       The average speed of one team in a relay race is about 10 miles per hour.  What is the speed in feet per second?

Evidence of Learning:

Lorenzo rides his bike at a rate of  yards per second. About how many miles per hour can Lorenzo ride his bike?

Charlie runs at a speed of 3 yards per second.  About how many miles per hour does charlie run?

HW : Volume 1 Chapter 1 pg 29 #'s 1-6