Common Core
A-REI.C.8
4 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Linear Algebra · Chapter 2 · Lesson 1
Systems and Augmented Matrices
Strip away the letters and keep the numbers.
Linear Algebra · Chapter 2 · Lesson 2
Clear out entries until the answer is obvious.
Linear Algebra · Chapter 5 · Lesson 3
Eight statements that are all the same statement.
Linear Algebra · Chapter 6 · Lesson 3
Rank and the Rank-Nullity Theorem
What survives plus what is crushed is always the whole input.