# Lessons 1E–3ESelf Assessment 1

For each statement, rate your understanding according to the continuum, and then provide evidence for your rating.

I understand and can do it accurately. I understand most of the time, but I’m still working on it. I don’t understand this yet.
I can

solve a linear system with equations and unknowns using row reduction of matrices.

Evidence Rating

I can

multiply an matrix by an matrix and use matrix multiplication to model real world contexts.

Evidence Rating

I can

identify and use the properties of addition and multiplication with matrices, including the identity, inverse, associative, and commutative properties.

Evidence Rating

## Next steps

My plan for mastering this content is…

# Lessons 4E–6ESelf Assessment 2

For each statement, rate your understanding according to the continuum, and then provide evidence for your rating.

I understand and can do it accurately. I understand most of the time, but I’m still working on it. I don’t understand this yet.
I can

find the determinant of a matrix and use the determinant to decide if a matrix has an inverse.

Evidence Rating

I can

use inverse matrices to solve systems of linear equations by finding the inverse of a matrix by hand and the inverse of an

matrix using technology.

Evidence Rating

I can

identify and apply strategies for solving linear systems of equations, including graphing, substitution, elimination, row reduction of matrices and using inverse matrices.

Evidence Rating

## Next steps

My plan for mastering this content is…