Link to online information, help and scoring guidelines for the Pennsylvania Keystone
Official Keystone Formula Sheet for Algebra I
Keystone Review for Module 1
Notes packet for module 1
Completed Notes for Module 1 of the Keystone Review
Video for solving equations and inequalities
Practice worksheet for solving equations and inequalities
Video for solving systems of equations by substitution
Video for solving systems of equations by elimination
Practice worksheet for solving systems of equations
Video for writing a system of equations from a word problem
Video for solving systems of equations by graphing
Application of linear systems part 1
Applications for linear systems part 2
Video for graphing linear inequalities
Video for graphing systems of inequalities
Practice worksheet for graphing inequalities and systems of inequalities
Keystone Review for Module 2
Notes for Module 2
Filled in notes for Module 2
Video for identifying domain and range given points
Video for identifying domain and range given a graph
Practice worksheet for domain and range
Video for graphing a line in slope-intercept form
Video for transforming an equation from standard form to slope-intercept form to graph
Practice worksheet for graphing lines
Video for writing the equations of lines given a graph, a point and slope, or two points
Practice worksheet for writing the equations of lines
Video for creating scatterplots and finding the equation for the line of best fit
Practice worksheet for scatterplots and lines of best fit
Video for creating a stem-and-leaf plot
Video for creating a box-and-whisker plot
Practice worksheet for stem and leaf and box and whisker plots
Review Topics for Extensions Classes
Practice packet for the multiple choice keystone problems
Practice packet for the open ended keystone problems
