Linear Functions Practice Set for Grade 8
A skill-by-skill practice packet for 8th graders covering rate of change from points and tables, graphing and writing linear equations in slope-intercept, point-slope, and standard forms, graphing linear inequalities, modeling with y = mx + b, and finding x- and y-intercepts. Each section opens with a worked example and key concept box before moving into independent problems.
“practice sheet separated by skill: skill #1 finding rate of change from a set of points or a linear table, skill #2 graphing lines in slope intercept, point slope and standard form, Skill #3 writing equations of lines in point slope and slope intercept form, skill #4 graphing linear inequalities, Skill #6 modeling linear functions using y=mx+b, skill #7 finding x and y intercepts of equations”
Teacher Guide & Tips
- Use the sections as separate mini-lessons or station rotations, starting with rate of change (Skill 1) before moving to equation forms, since later skills build on finding slope.
- Discussion question: Why does the rate of change come out the same no matter which two points from the same line you choose?
- Scaffold for struggling readers: have them label (x₁, y₁) and (x₂, y₂) on the table or graph before writing the formula, and use a sentence frame like "The y-value changes by ___ when x changes by ___."
- Extension for advanced students: ask them to convert an equation given in standard form to slope-intercept form and explain how the intercepts appear in each version.
- Plan roughly 15-20 minutes per skill section, or about 45-60 minutes for a single focused session on one or two skills.
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Teachers use Diffit to get quality materials for their unique classrooms. Adjust difficulty, add scaffolds, or change the topic to get started.
Try Diffit for free“practice sheet separated by skill: skill #1 finding rate of change from a set of points or a linear table, skill #2 graphing lines in slope intercept, point slope and standard form, Skill #3 writing equations of lines in point slope and slope intercept form, skill #4 graphing linear inequalities, Skill #6 modeling linear functions using y=mx+b, skill #7 finding x and y intercepts of equations”
Teacher Guide & Tips
- Use the sections as separate mini-lessons or station rotations, starting with rate of change (Skill 1) before moving to equation forms, since later skills build on finding slope.
- Discussion question: Why does the rate of change come out the same no matter which two points from the same line you choose?
- Scaffold for struggling readers: have them label (x₁, y₁) and (x₂, y₂) on the table or graph before writing the formula, and use a sentence frame like "The y-value changes by ___ when x changes by ___."
- Extension for advanced students: ask them to convert an equation given in standard form to slope-intercept form and explain how the intercepts appear in each version.
- Plan roughly 15-20 minutes per skill section, or about 45-60 minutes for a single focused session on one or two skills.
Linear Functions Practice Set for Grade 8
A skill-by-skill practice packet for 8th graders covering rate of change from points and tables, graphing and writing linear equations in slope-intercept, point-slope, and standard forms, graphing linear inequalities, modeling with y = mx + b, and finding x- and y-intercepts. Each section opens with a worked example and key concept box before moving into independent problems.
What is Diffit?
Teachers use Diffit to get quality materials for their unique classrooms. Adjust difficulty, add scaffolds, or change the topic to get started.
Try Diffit for free