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In this Dilations - Scale Factors & Algebraic Representations task cards activity students will write the coordinates of the vertices of each figure & write the algebraic representation that explains the effect of the scale factor on the image dilation.. There are 6 task cards with problems in total. On the last two exercises, students will draw the dilation of a star-shaped figure on a coordinate plane given the scale factor and, in a paragraph, explain the process of dilating a figure on a coordinate plane given the figure and the scale factor. . I prefer to do this activity in groups of 3 or 4, place the task cards in the center of the table and ask them to get one (order doesn’t matter),solve it, put the card back, get another one and repeat until all problems are done. I love to see how they help each other when one of them gets stuck on a problem. I also offer a reward (usually no homework) to the first group that finishes all the problems correctly.
Hits the Common Core Standards 8.G.A.3 and TEKS 8.3A, 8.3B, 8.3C.
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