Donna M. NealGrand Canyon University

TEC551 Multimedia Instructional Strategies February 7, 2011

Two-Dimensional Shapes: Angles

intersecting lines,

and parallel lines

Lines, line segments,

You have practiced:

Angles

2 D Shapes:

Now, it is time to practice:

Angles are EVERYWHERE!

Clocks

Brick walls

Houses

Guess the 3 angles you are going to learn

about!

Right Angles

Acute Angles

Obtuse Angles

Right Angles are 90 degrees exactly.

Acute Angles are less than 90 degrees.

Obtuse Angles are greater than 90 degrees but less than

180 degrees.

Try to guess the angles!

Obtuse Angle

Right Angle

Acute Angle

Now, let’s play a game!

Click Here

Hope you enjoyed the game!

Now, it is time to practice Angles with

more activities.

1. Tutorial #1: Tools 4 math Workshop: Angles2. Tutorial #2: Visual Learning Animation: Angles3. Video: Lines are Everywhere 4. Worksheets: Acute, Right, and Obtuse Angles 5. Learn and Teach Yourself6. Share with your Peers7. Draw What You Saw: Notebook Check8. TEST Time on Pearson SuccessNet 9. “What I Learned Log” on computer 10. Share Your Survey

ReferencesAmerican Association of School Librarians: a division of

American Library Association. (2010). AASA/ALA: Standards for the 21st –Century Learner. Retrieved February 5, 2011, from http://www.ala.org/ala/mgrps/divs/aasl/guidelinesandstandards/learningstandards/standards.cfm

International Society for Technology in Education. (2008). ISTE/NETS for teachers. Retrieved February 2, 2011, from http://www.iste.org/content/navigationmenu/nets/forteachers/2008standards/nets_for_teachers_2008.htm

Snell, C. & Sahlin, D. (2009). Building web sites all-in-one for dummies (2nd ed.). Hoboken, NJ: Wiley. ISBN-13: 9780470385418