This document provides instruction on factoring perfect square trinomials and the difference of squares. It includes links to video explanations of factoring perfect square trinomials. It provides examples of factoring a perfect square trinomial and the difference of squares, including splitting the perfect square and finding the difference. Students are instructed to practice these skills on interactive math websites and problems, and to complete an assessment with multiple choice questions in an online factoring Gizmo simulation.

1. Factoring Special Products
Module 10 - Topic 3

2. Perfect Square Trinomials
Watch as Professor Edward Burger explains
how to factor perfect square trinomials.
Scroll down the webpage to where it says
“Videos.”
The first video is Professor Edward Burger’s
explanation and is about 5 minutes.
The 2nd video is another example of how
to recognize and factor a perfect square
trinomial. This video is about 4 minutes.

3. Difference of Squares
View this Cool Math website to learn about
Difference of Squares
There are 5 pages of notes BUT you will stop
on Page 3 where it says “Special Guy #2:”.
Fortunately, you do not need to learn about
Special Guy #2 (Difference and Sum of Cubes)
in Algebra 1!
Complete the Try It and Your Turn problems on
Page 2 in your notebook an check your
answers on the next slides.

4. Try It on Page 2
Factor: 2
y − 16

5. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one
subtraction ( )

6. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one ( + )( − )
subtraction ( )

7. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one ( + )( − )
subtraction ( )
split the y2

8. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one ( + )( − )
subtraction ( )
split the y2

9. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one ( y + )( y − )
subtraction ( )
split the y2

10. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one ( y + )( y − )
subtraction ( )
split the y2
split the 16

11. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one ( y + )( y − )
subtraction ( )
split the y2
split the 16

12. Try It on Page 2
Factor: 2
y − 16
Write one
addition & one ( y + 4 )( y − 4 )
subtraction ( )
split the y2
split the 16

13. Your Turn on Page 2
Factor:

14. Your Turn on Page 2
Factor: 2
4x − 81

15. Your Turn on Page 2
Factor: 2
4x − 81
( + )( − )

16. Your Turn on Page 2
Factor: 2
4x − 81
( + )( − )

17. Your Turn on Page 2
Factor: 2
4x − 81
( 2x + ) ( 2x − )

18. Your Turn on Page 2
Factor: 2
4x − 81
( 2x + ) ( 2x − )

19. Your Turn on Page 2
Factor: 2
4x − 81
( 2x + 9 ) ( 2x − 9 )

20. Factoring by Difference of Two Squares Practice
Practice Factoring Difference of Two Squares at this
Cool Math website.
Select the “Give me a Problem” button to keep trying
problems.
Do your work in a notebook.
When you select “What’s the Answer?” your answer is
erased and correct answer is displayed. Having your
work in a notebook will allow you to compare your
answer to the correct answer.
Keep working problems until you get 4 out of 5 correct.

21. Gizmo Practice Activity
Please log into Explore Learning website
using the username and password given to
you AND found in the support documents.
Search for the "Factoring Special Products"
Gizmo and launch the Gizmo.
After completing at least 5 Gizmo problems,
scroll down to the Assessment Questions
and complete the 5 multiple choice problems.
Pronto or Message me if you have questions.

22. Fantastic!
You have completed the
Factoring Perfect
Square and Difference
of Squares lesson.
Knowing how to factor
these special guys
saves you time, don’t
they?
You are now ready for Module 10 Topic
3 Mastery Assignment.