Geometry Upgrade #1:  Use before Unit 6.

 Angle Definitions

          Define an angle. ................................................................................... 1
          Identify acute, obtuse, and straight angles. .................................... 1

          Name an angle. .................................................................................... 1

Measuring Angles

          How To Measure An Angle, ± 1º ..................................................... 2

          Riddle:  Why is a Jeweler Like a Very Bad Opera? ................... 3

Drawing Angles

         Study Activity:  Measure and draw angles. .................................... 4

          Riddle:  What Animal Has Four Legs...? ...................................... 5

Quiz#1 ........................................................................................................ 6-7

Lab Activity:  The Chimney Topper .......................................................... 8   

Complements, Supplements, and Opposite Angles

          Complements and Supplements ..................................................... 9

          Opposite Angles (Vertical Angles) ............................................ 10

          Riddle:  Use The Word 'Archives' In A Sentence. ................... 11

Angles in Triangles

          Lab Activity:  The Sum of the Angles in a Triangle ................. 12

          Use a protractor to measure each angle in degrees ................. 13

          What Is The Complement of 30°? ............................................... 14*

Quiz #2 .................................................................................................. 15-16

Angles Outside the Triangle

          Calculate the third angle of a triangle. ......................................... 17

          Riddle:  What This Country Needs Is A Car... ............................ 18

          Riddle:  Why Is A Wedding Ring Like Eternity? ....................... 19

Scalene, Isosceles, and Equilateral Triangles

          Definitions ......................................................................................... 20

          Study Activity .................................................................................... 21

          Riddle:  What Is The Difference Between a Fax...? ................... 22

          Review/Study Activity ...................................................................... 23

          Riddle:  Did You Hear About The Tree Surgeon Who...? ......... 24

          Riddle:  Why Is A Wise Man Like A Pin? .................................. 25 

Quiz #3 ......................................................................................................... 26

Sides and Angles

          Opposite Side/Opposite Angle ...................................................... 27

          Largest Side/Largest Angle Study Activity ................................ 28

          Riddle:  What Do Students At Clemson University...? ............. 29

Parallel and Perpendicular Lines

          Definitions ......................................................................................... 30

          Riddle:  Why Didn't They Play Cards On The Ark? ................. 31

          Challenge Riddle:  If May Is National Hot Dog Month,...? ........ 32

The Circle--Angles and Names

          Name the Center. ............................................................................ 33*

          Angles At The Center ..................................................................... 34

          Angles On A Clock Face ............................................................... 35

Line Segments and Adjacent Angles

          Transparency Master ..................................................................... 36*

           Riddle:  Did You Hear What Happened When...?....................... 37

           Riddle:  Why Is A Little Dog's Tail Like The Heart...? ........... 37

          Crossword Puzzle ............................................................................ 38

Quiz #4 .......................................................................................................... 39 

Answer Key ........................................................................................... 40-42