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Whiteboard
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\nClass Flow: Linear Equations Substitution\n

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\n\nFor Teachers\n\n9th - 10th\n\nStandards\n
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\n[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Interactive\n\n
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\nInteractive Mathematics\n
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\nInteractive Mathematics: Determinants\n

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\n\nFor Students\n\n9th - 10th\n
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\nUsing determinants and Cramer's Rule, systems of two and three variables are solved step by step. Several examples are presented to demonstrate how Cramer's Rule is used.\n
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\n\nGet Free Access\n\nSee Review\n
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PPT
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\n\"Sophia:\n\n
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\nSophia Learning\n
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\nSophia: Finding Intersections: Lesson 2\n

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\n\nFor Students\n\n7th - 8th\n
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\nThis lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 2 of 5 in the series titled \"Finding Intersections.\"\n
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\n\nGet Free Access\n\nSee Review\n
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Unit Plan
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\n\"Sophia:\n\n
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\nSophia Learning\n
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\nSophia: Finding Intersections: Lesson 3\n

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\n\nFor Students\n\n7th - 8th\n
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\nThis lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 3 of 5 in the series titled \"Finding Intersections.\"\n
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\n\nGet Free Access\n\nSee Review\n
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PPT
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\n\"Sophia:\n\n
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\nSophia Learning\n
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\nSophia: Finding Intersections: Lesson 5\n

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\n\nFor Students\n\n9th - 10th\n
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\nThis lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 5 of 5 in the series titled \"Finding Intersections.\"\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Sophia:\n\n
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\nSophia Learning\n
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\nSophia: Finding Intersections: Lesson 1\n

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\n\nFor Students\n\n9th - 10th\n
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\nThis lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 1 of 5 in the series titled \"Finding Intersections.\"\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Sophia:\n\n
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\nSophia Learning\n
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\nSophia: Using Deductive Logic\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis lesson demonstrates the use of a process of elimination in order to solve a problem.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\nNational Council of Teachers of Mathematics\n
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\nThe Math Forum: Ask Dr. Math: Cramer's Rule in Action\n

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\n\nFor Students\n\n9th - 10th\n
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\nThis site provides a specific example of Cramer's Rule. The site does not explain why Cramer's Rule works, yet does a fair job of expressing the method to reach the answers.\n
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\n\nGet Free Access\n\nSee Review\n
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