1. Systems of Measurement Lesson 3

4. Fraction Mini Review - Hard Copy

5. Answers

6. [ ] Last Class... = Converting between Imperial Units: X
Example 1: Convert 2 miles into feet.
[ ] = X
You Try: Example 2: Convert the following into inches.
 1 foot 2 1/4 feet 5 1/2 yards

7. You Try: Example 3: Convert the following into feet.
 36 inches 18 inches 2/3 yards
You Try: Example 4: Convert the following into yards.
 24 inches 6 feet 1/2 mile

8. You Try: Example 5: Convert the following into miles.
 1320 feet 880 yards

9. How to Read a Ruler
An English ruler consists of twelve inches. Twelve inches make up 
one foot. When looking at a ruler, we need to have a good grasp of 
fractions in order to read a ruler. You will see a portion of a ruler 
below:
The large numbers on the ruler represent inches. The long line next 
to the number tells you exactly where that inch is. For example, the 
long line to the right of the number 1 tells us that the line marks one 
inch from the beginning of the ruler.

10. (as seen below in red): (as seen below in red):
The center mark between numbers represents ½ of an inch
(as seen below in red):
The next smallest marking after the half inch is ¼ of an inch
(as seen below in red):
The next marking would be 1/8 of an inch (as seen below in red):

11. The next smallest marking is 1/16 of an inch (as seen below in red):
When writing down the length measurement that we have taken using 
a ruler, we write the full inch, followed by any fraction. For example 
is something is one and one half inches long, we would write this as:
1 ½.

12. Circle the line on the ruler that would be equal to the length listed:

13. Now that we've done a variety of examples lets see what you can do!
-Mini White Board Conversion Practice

16. Word Problem Application 1

18. Word Problem Application 2

20. Example 1
Maxime is a finishing carpenter who is replacing the case 
moulding around a double French door and the baseboards 
around the 4 walls of a living room. The dimensions of the 
rectangular living room are 20′ × 15'. The French door is along 
one of the 20′ walls, and the door frame measures
72" wide and 84" high.
Case moulding costs $9.50 a linear foot and baseboard costs 
$4.50 a linear foot. These items must be purchased in whole 
feet.
If Maxime’s labour charge is $8.50 a linear foot, what will be 
the total cost of this job?

21. Example 2
Kiri needs to replace the wooden fence that surrounds her 
yard. She measured her property, and it is 18 yards wide and 
12 yards deep. There is no fence in front of her house, and the 
gap in the fence at the front of the property is 42 feet, as 
shown in the diagram.
Kiri plans to replace the existing
fence pickets with 5-foot-long cedar
boards placed vertically. The boards
are 5 1/2 inches wide and will be
spaced 1/4 inch apart.
She placed an order for 275 boards.
Did she order enough boards?

22. To Do:
Page 150: #4, 5, 6
 Reminder:
 circumference of a circle = πD = 2πr