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8.EE.5-6

Terms students can visualize on whiteboards

TermVisualization
Slope m; ∆y/∆x; rise/run; rate of change; y-y/x-x
Rate of change slope; m; ∆y/∆x; rise/run; y-y/x-x
Equation of the line in slope-intercept form y=mx+b
Positive slope diagonal line going up from left to right; puff puff positive; (students draw)
Negative slope diagonal line going down from left to right; nice negative; (students draw)
Zero slope horizontal line (students draw)
Undefined slope vertical line (students draw)
y-intercept b; initial value; students indicate it is on the y-axis
y-axis (students trace) (vertical)
x-axis (students trace) (horizontal)
Slope formula ∆y/∆x; y-y/x-x
Similar triangles triangles with proportional side lengths; (students draw)
Origin (0, 0); (students show on grid)
Proportional relationship y=mx; constant (K) as slope (m); goes through origin; straight line
unit rate x=1 (unit); y=rate/constant (K)
Initial vlaue b; y-intercept; starting point
Created by: cdunford
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