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

Corny Joke of the Day

What triangles are the coldest?

ICE-soceles triangle

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: _____________________________

HomeworkAnswers

Angles &

Symmetry

Learn how to describe and classify angles

OUR MISSION

Can you make a sentence for each word?

Angle VertexAcute AngleRight AngleObtuse AngleStraight AngleDegreesProtractor

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!

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.

mFGH is read “the measure of angle FGH.”

Reading Math

An acute angle measures less than 90°.

A right angle measures exactly 90°.

Right angles are usually marked with a symbol.Reading Math

A-Cute AngleWhat else do we

know that is cute?

Kitten, baby, little puppy?

These are all SMALL things, just like Acute angles!

An obtuse angle measures more than 90° and less than 180°.

A straight angle measures exactly 180°.

obtuse AngleWhat does it

sound like?

OBSESELARGE

You Try! Classify each angle!

Angle Match In each group, you must cut out and sort

the cards into their different angle “families”

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