Chapter 5, Section 5: Customary Units, Fractions and Dimensional Analysis.

1. How fast will Joyanna and Ian have to drive from Anchorage, Alaska to San Diego, California if they plan on making it in 2 days and 15 hours? Warm Up

3. 3,759 miles divided by 48.25 hours = 77.9 or 80 miles per hour. Warm Up

4. Review of Customary Units, Fractions, and Dimensional Analysis. By Ms. Dewey-Hoffman November 12 th , 2008 Chapter 5, Section 5 (if you must know)

10. This is a Fraction Bar These Bars mean Multipl-ication and separate fractions or Conversion Factors. 10 quarts = ? gallons 10 Quarts ? Gallons Conversion Factor Goes Here 4 Quarts 1 Gallon Now turn it into a Fraction/Multiplication Problem 10  ¼ = 2 ½ gallons 10 quarts = 2 ½ gallons

11. This is a Fraction Bar These Bars mean Multipl-ication and separate fractions or Conversion Factors. Dealing with Mixed Numbers and Conversions? 3 3/16 yards = ? inches 1) Change Mixed Number to an Improper Fraction, then Convert. 51 Yards 1 Yard 3 Feet 1 Foot 12 Inches 16 2) Take the answer and Change to a Mixed Number. Notice how the IMPROPER Fraction looks like a Fraction on the T graph. (51  3  12)  (16  1  1) = 114.75 or 114 ¾