Wednesday, January 18 th
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Transcript of Wednesday, January 18 th
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Wednesday, January 18th • Please complete the warm up and write down
your homework• Please have workbook 8-1 out
Warm Up1. Is this a proportion?
2. Solve
13 1115 12
3 75x
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Corny Joke of the Day
What triangles are the coldest?
ICE-soceles triangle
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Review 1. I use a line with TWO arrows when I classify:_____________________________2. I use a line with NO arrows when I classify:_____________________________
3. I use a line with one arrow when I classify: _____________________________
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HomeworkAnswers
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Angles &
Symmetry
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Learn how to describe and classify angles
OUR MISSION
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Can you make a sentence for each word?
Angle VertexAcute AngleRight AngleObtuse AngleStraight AngleDegreesProtractor
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Before QuizHow well do you know your angles?
Take the “before” and “after” quiz to see what you learn!
Circle true or false for each statement
Ready, Set, Go!
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An angle is formed by two rays with a common endpoint, called the vertex. An angle can be named by its vertex.Angles are measured in degrees. The number of degrees determines the type of angle. Use the symbol ° to show degrees.
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mFGH is read “the measure of angle FGH.”
Reading Math
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An acute angle measures less than 90°.
A right angle measures exactly 90°.
Right angles are usually marked with a symbol.Reading Math
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A-Cute AngleWhat else do we
know that is cute?
Kitten, baby, little puppy?
These are all SMALL things, just like Acute angles!
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An obtuse angle measures more than 90° and less than 180°.
A straight angle measures exactly 180°.
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obtuse AngleWhat does it
sound like?
OBSESELARGE
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You Try! Classify each angle!
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Angle Match In each group, you must cut out and sort
the cards into their different angle “families”
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Homework Create your own index card activity
as the “angle match.”o Must have 10 cards o Must have all four angle types o Find pictures that have these
angles. You may: Find in magazinesclip-artdraw, take pictures