Tap to locate
Find the Origin
Every proportional relationship starts at the origin . Tap it on the grid!
Drag to plot
Plot the Next Point
Equation:
If x = 1, drag the dot to the correct y value.
Dot to plot
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Adjust to connect
Draw the Line
Proportional relationships are straight lines. Adjust the slope to connect the dots.
Low Slope
Steep Slope
Tap to select
Spot the Relationship
Which graph shows a proportional relationship?
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Tap to count
Find the Constant
Look at the graph. What is the constant of proportionality?
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Graph Master!
You've learned that proportional relationships are always straight lines passing through the origin .