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Slopes of Lines 
Slopes of Lines
Project for demonstrating knowledge of slope and y-intercepts
Rubric Code: K95784
By ldanza
Ready to use
Public Rubric
Subject: Math  
Type: Project  
Grade Levels: 6-8

Powered by iRubric Slope-Intercept
  Poor

5 pts

Fair

10 pts

Good

15 pts

Excellent

20 pts

Slope and y-intercept

Find the slope ans the y-intercept of each equation.
Poor

Was able to identify the slope and the y-intercept on only 1 equation.
Fair

Was able to identify the slope and the y-intercept on only 2 equations
Good

Was able to identify the slope and the y-intercept on only 3 equations.
Excellent

Was able to identify the slope and the y-intercept on all equations.
Graphing

Graph using slope and y-intercept
Poor

Graphs are not accurate. No points are visible on the graph. Confused.
Fair

Graphed 2 of the equations accurately using the y-intercept and slope. It has at least 3 points visible on the graph.
Show some understanding.
Good

Graphed 3 of the equations accurately using the y-intercept and the slope. It has at least 3 points visible on the graph.
Shows understanding.
Excellent

Graphed 4 of the equations accurately using the y-intercept and the slope. I has a least 3 points visible on the graph.
Shows complete understanding.
Equation of a Line

Write an equation of a line with the given slope and y-intercept
Poor

It is not clear about which number represents the slope and which one represent the y-intercept. At least 1 equation was written correctly.
Fair

Made few errors identifying the slope and the y- intercept.
At least 2 equations were written correctly.
Good

Made minimal errors identifying the slope and the y- intercept.
At least 3 equations were written correctly.
Excellent

The 4 equations are written correctly using slope and y-intercept.
Slope -Intercept Form

Write the slope intercept form of the equation for a line.
Poor

Was able to identify the slope and the y-intercept of 1 of lines.
Showed work.
Fair

Was able to identify the slope and the y-intercept of 2 of the lines.
Showed work.
Good

Was able to identify the slope and the y-intercept from 3 of the lines.
Showed work.
Excellent

Was able to identify the slope and the y-intercept on all the lines. Showed work.
Real Life

Can apply slope intercept to real life situations.
Poor

Was able to write an equation but is not accurate.
No graph or incomplete.

No prediction.
Fair

Was able write an equation in slope intercept form and graph it.

Doesn't know how to interpret the information displayed on the graph.
Good

Was able to write an equation in slope intercept form and make a prediction accurately using the equation.

The graph is confusing or missing parts
Excellent

Was able to write and graph an equation in slope intercept form from a real life situation.
Was able to make a prediction using the equation and the graph.



Keywords:
  • Slope and Graphing

Subjects:


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