In this activity, students are given a graph with 10 points. Each question ask the students to find the slope between 2 of the points on the graph. The answer cells start at red and turn green if the answer they input is correct. Students must simplify the fractions if necessary, for example 2/6=1/3. If a slope is negative the student must put the negative sign at the front from their answer, for example 4/-8= -1/2. The answers are hidden in sheet two. To view the answers click, view, hidden sheets. The sheet will appear black but if you select the entire sheet by clicking the box between the 1 and the A and changing the font to black the answers will show.
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