Today I introduced double number lines to solve ratio and proportional problems. We used the following PPT to complete the word problems on the first page of their packet. Tonight, students only have to complete the top side of the next page. We will continue to work on this tomorrow.
Here are some extra resources to review using double number lines.
http://learnzillion.com/lessons/596-find-the-part-when-the-percent-and-total-are-known (4:29) http://www.youtube.com/watch?v=2NYSq_i1i3Q (3:32)
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April 2015
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