Day Ten

1. Openera) How many ounces are in 3 pounds?

b) How many ounces are in 2 tons?

c) How many inches are in 3 feet?

d) How many inches are in 3 miles?

e) How many hours are in one year?

f) What is 70 miles per hour in kilometers per hour?

Useful Facts: 1 lb = 16 oz1 ton = 2000 lbs1 mile = 5,280 feet = 1.609 km

How long would it take him to run the mile?

How long would he run in 70 hours?

How many can he do in a minute?

How many can he do in a day?

How far are they going in one hour?

How far can they slide in one week?

How fast, on average, was Sweet Pea running in meters per second?How fast, on average, was Sweet Pea running in miles per hour?

Homework

Find two Guinness World Records and apply some dimensional analysis.

A. You must choose one record that involves speed, or rate. The other does not need to involve a rate (e.g. length, height, volume, amount, etc).

B. Find the unit rate or unit ratio of the rate record.

C. Convert the records to another useful unit.

D. Convert the records to a funny, less useful rate.

E. Post your results to the Greenhouse Discussion.