This mathematics video is from the Common Core State Standards Video Series at http://secc.sedl.org/common_core_videos/
7.ee.4a is a free educational video by SEDL.It helps students in grades 7 practice the following standards 7.EE.4,7.EE.B.4.A,.
1. 7.EE.4 : Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities..
2. 7.EE.B.4.A : Solve word problems leading to equations of the form px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach. For example, The perimeter of a rectangle is 54 cm. Its length is 6 cm. What is its width?.
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