April 23, 2015

Use the structure of an expression to identify ways to rewrite it. For example, see x^4?y^4 as (x^2)^2?(y^2)^2, thus recognizing it as a difference of squares that can be factored as (x^2?y^2)(x^2+y^2).

Exercises from Illustrative Mathematics

A set of exercises, commentary, and solutions

For this unit, choose:

A-SSE Seeing Dots

A-SSE Equivalent Expressions

A-SSE Sum of Even and Odd

A-SSE A Cubic Identity

- Mathematics > General
- Mathematics > Algebra

- Grade 9
- Grade 10

Make sense of problems and persevere in solving them.

Reason abstractly and quantitatively.

Use appropriate tools strategically.

Attend to precision.

Look for and make use of structure.

Use the structure of an expression to identify ways to rewrite it.