Wednesday, June 24, 2015

Factoring Puzzles

Here are a few examples of factoring puzzles:
Here's the same set up for factoring a trinomial.

Factoring with a > 1 is not much harder, when students remember to find factors of ac that add up to b. Those become the insides of this table, and factoring out GCF's leads to the outsides, and the final factors. 

You may download worksheets here.
Worksheet - Table Puzzles (Multiplication)
Worksheet - Table Puzzles (Factoring)

My recorded lessons for these ideas can be found here:
   Lesson 5a: Factoring Quadratic Expressions into Binomials
   Lesson 5b: Table Puzzles (and Dividing Polynomials)
   Lesson 5c: Factoring Trinomials

1 comment:

  1. Thanks for sharing your puzzles - they are a great idea. I arrived at your blog via Dan Meyer's post (and your comment) on Factoring Trinomials/Headache/Aspirin, etc. All the theory aside, I think many students like to solve puzzles, and one key to engaging them with factoring is to play up the puzzle aspect. One question - the file for Table Puzzles (Multiplication) is actually an answer key - do you have a blank copy of the file? I would love to 'borrow' these worksheets. - Wendy Menard


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