How to use this sheet

  • Have the child draw the rise and run on the graph as a small right triangle.
  • Say slope as "rise over run" each time, and check the sign: up to the right is positive.
  • Have the child find the slope from two different pairs of points and see that it is the same.

Common mistakes

  • Putting run over rise, so a slope of 2 becomes 1/2.
  • Subtracting the y values in one order and the x values in the other, which gives the wrong sign.
  • Reading the wrong scale on the axes when the grid counts by 2s or 5s.

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