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My students don't tend to know that the scale is supposed to be even =
on a graph. Heck, in my algebra class, they don't know the differenc=
e between the x and y axis.
The other problem is that they use a scale of 1 block per 1 unit for =
large numbers getting huge graphs.
Tina
points at grid intersections and then distort the scale so all graphs=There is a distinct tendency for some students to put the
come
out as straight lines. This is probably a failure that has 2 roots,
laziness or hastiness, and a lack of understanding of proportional
reasoning. <<<
Tina Fanetti
Physics Instructor
Western Iowa Technical Community College
4647 Stone Ave
Sioux City IA 51102
712-274-8733 ext 1429