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Agenda Thursday, Jan. 7
Homework 25 S&S p. 14 # 6 & 7
Wrap up Rubberband activity
Correct homework
Problem 1.3
Homework 24 S&S p. 14 # 9, 12, 14
area
perimeter
area
perimeter
14. Find the given percent of each number. Show your work.
a. 25% of 120 b. 80% of 120
c. 120% of 80 d. 70% of 150
e. 150% of 200 f. 200% of 150
Similar figures
What stays the same? What changes?
B
A C
E
D FIn order to compare the parts of these triangles, we use the terms corresponding sides and corresponding angles.
Corresponding sidesAC and DFAB and DEBC and EF
Corresponding angles A and DB and EC and F
Frayer Model
Examples Nonexamples
Definition Characteristics
corresponding
Similar figures
What stays the same? What changes?
Do Now: If I want to enlarge a square by 25%, will the image be larger or smaller than the original?What would the copier factor be?
side length = 1
side length = 1
Stretching and Shrinking math reflection p. 20 John Collins type 3 writingEdit for fcas Use examples Correct spelling and grammar Use vocabulary:
corresponding sides corresponding angles side lengths areaperimeterangles
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