March 11, 2015

A full set of lesson components from CK-12

Supports the following Standards of Mathematical Practice

• 1 Make sense of problems and persevere in solving them.

• 2 Reason abstractly and quantitatively.

• 5 Use appropriate tools strategically.

• 6 Attend to precision.

- Mathematics > General
- Mathematics > Algebra
- Mathematics > Equations
- Mathematics > Graphing

- Grade 6
- Grade 7
- Grade 8
- Grade 9
- Grade 10

Make sense of problems and persevere in solving them.

Reason abstractly and quantitatively.

Use appropriate tools strategically.

Attend to precision.

Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection.