Radical Unit

Cindy Mummert
Secondary Teacher
Governor Mifflin Senior High School

610-775-5089
cmummert@gmsd.k12.pa.us

We will be working an a Radical (Square Root) Unit during the weeks of January 23rd - 27th and January 30th - February 3rd.  These skills will be applied in the next unit:  Unit 9 -- Right Triangles.

 

Radical Unit:  [Click on each link to download.]                

Student Learning Map & Perfect Square Chart  [01-25-12]

Dividing Radicals & Radical Summary  [02-02-12]

Radical Unit Study Guide  [02-06-12]

Radical Unit:--

Use the links below to practice and review topics from the Radical Unit

Simplifying Radicals: 

http://www.webmath.com/simpsqrt.html  [website:  radical simplifier; enter any number under the radical to be simplified; shows explanation]

http://www.math.com/school/subject1/lessons/S1U1L9GL.html  [website:  perfect squares]

http://www.5min.com/Video/Learn-about-Simplifying-radicals-99169972  [video:  simplify radicals using perfect squares]

http://www.mathwarehouse.com/algebra/radicals/how-to-simplify-radicals-video-tutorial-with-examples.php  [video:  simplify radicals using perfect squares]

http://www.themathpage.com/alg/simplify-radicals.htm  [website:  simplify radicals using perfect squares -- includes written explanation; use Examples 1-4 and Problem 1]

Multiplying Radicals: 

http://regentsprep.org/REgents/math/ALGEBRA/AO1/Lmultdiv.htm  [website:  use the summary at the top of the page and examples 1-3]

http://www.brightstorm.com/math/algebra-2/roots-and-radicals/multiplying-radicals-of-the-same-root/  [video]

http://www.youtube.com/watch?v=XW9v8GRVCyg  [video:  good explanation of multiplying; the simplifying is done a bit differently than in class -- simplify using perfect squares instead]

Adding and Subtracting Radicals:

http://regentsprep.org/REgents/math/ALGEBRA/AO1/Laddsubt.htm  [website:  good explanation with examples] 

http://www.brightstorm.com/math/algebra/radical-expressions-and-equations/adding-and-subtracting-radical-expressions-problem-1/  [video:  add and subtract like radicals]

http://www.brightstorm.com/math/algebra/radical-expressions-and-equations/adding-and-subtracting-radical-expressions-problem-2/  [video: example shows how to simplify before add and subtract]

http://www.youtube.com/watch?v=4WURmk31ucs  [video:  great explanation of the process; disregard the last example] 

Dividing Radicals:  

http://regentsprep.org/REgents/math/ALGEBRA/AO1/Lmultdiv.htm  [website:  use the summary at the top of the page and examples 5-6]

http://www.youtube.com/watch?v=N8MkTuLlgOg  [video:  rationalize the denominator example]

http://www.youtube.com/watch?v=3_R92rWD4yM  [video:  good examples of reducing]

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