1. lesson 13.notebook September 14, 2012
Assignment:
1­­>Set 14 (all) ­ Due Tuesday (9/18)
2­­>Test #1 Signed for Extra Credit??
monday = 5 pts
tuesday = 4 pts
wednesday = 3 pts
thursday = 2 pts
friday = 1 pt
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2. lesson 13.notebook September 14, 2012
Lesson 13 Warm­Up:
1) Write 0.15 as a reduced fraction.
2) Write 3/25 as a decimal.
3) Write 2/9 as a percent.
4) What is 80% of 65,000?
5) Find the "mean" of 1, 3, 5, and 7.
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3. lesson 13.notebook September 14, 2012
Lesson 13:
http://www.youtube.com/watch?v=_MokIPjLs6k
*FYI...
To ADD or SUBTRACT fractions or mixed numbers:
­­you must have common denominators
­­add or subtract the numerators
­­keep the same denominator
­­simplify!
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4. lesson 13.notebook September 14, 2012
Examples ­ Lesson 13
Simplify:
A) 4 + 5
9 9
B) 2 ­ 2
3 3
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5. lesson 13.notebook September 14, 2012
C) 1 + 1
8 4
D) 5 ­ 1
6 2
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6. lesson 13.notebook September 14, 2012
E) 3 1
3
+ 2 1
2
F) 6 5
6
­ 2 1
3
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7. lesson 13.notebook September 14, 2012
G) 3 1
2
+ 1 2
3
H) 7 1
3
­ 1 1
2
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