chapter 1 sept. 10 a day #5 challenge: which expression ...ohs/math/classwork/2008.09.applying...
TRANSCRIPT
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Page 1 Sept 10 ‘08
Chapter 1 Sept. 10 A Day #5 Challenge:
Which expression has the greatest
value when x = 10 and y = 0.5?
a. xy
b. x – y
c. yx
d. xy
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Page 2 Sept 10 ‘08
Applying Powers
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Page 3 Sept 10 ‘08
s
SQUARE
All Sides Equal
AREA of SQUARE
It’s the INSIDE
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Page 4 Sept 10 ‘08
What is the area of the carpet if its side is 12 ft?
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Page 5 Sept 10 ‘08
We use a FORMULA!
FORMULA for the AREA of a SQUARE is
AREA = s2
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Page 6 Sept 10 ‘08
AREA = s2
A = s2
s
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Page 7 Sept 10 ‘08
If the side of a square carpet is 12, what is the
AREA of the square?
12
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Page 8 Sept 10 ‘08
It’s another case of
DOUBLES
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Page 9 Sept 10 ‘08
Find the area for the following squares. Write out the formula: Example: Find the area of a square whose side is 10 ft.
A = s2 A = (10 ft)2 A = (10 ft)(10 ft) A = 100 ft2
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Page 10 Sept 10 ‘08
Find the area of a square whose side is:
8 ft
3.5 yd
ft = feet m = meters yd = yards in = inches cm = centimeters
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Page 11 Sept 10 ‘08
Show all work in your notebook. Find the area of a square whose side is:
a. 9 in
b. 16 cm
c. 13 ft
d. 20 yd
e. 7 m
f. 14 yd
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Page 12 Sept 10 ‘08