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Illustrative Mathematics - 7th Grade - Unit 7 - Angles, Triangles, and Prisms
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If you prefer to print the workbook, click here. Beware the workbook is lengthy.
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Lesson Topic
IM Textbook
Mr. Morgan's VideosKhan Academy Support VideosKhan Academy Online Practice
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Lesson 1 – Relationships of AnglesLesson 17.7.1 MorganAngles: IntroductionName angles
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Lesson 2 – Adjacent AnglesLesson 27.7.2 MorganComplementary & supplementary anglesComplementary and supplementary angles (visual)
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Complementary and supplementary angles (no visual)
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Lesson 3 – Nonadjacent AnglesLesson 37.7.3 MorganVertical anglesIdentifying supplementary, complementary, and vertical angles
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Vertical angles
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Finding missing angles
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Lesson 4 – Solving for Unknown AnglesLesson 47.7.4 MorganFinding angle measures between intersecting lines
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Lesson 5 – Using Equations to Solve for Unknown Angles
Lesson 57.7.5 MorganEquation practice with complementary anglesCreate equations to solve for missing angles
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Equation practice with supplementary anglesUnknown angle problems (with algebra)
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Quiz 1
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Lesson 6 – Building Polygons (Part 1)Lesson 67.7.6 Morgan
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Lesson 7 – Building Polygons (Part 2)Lesson 77.7.7 MorganConstruct a triangle with constraintsTriangle side length rules
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Triangle inequality theorem
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Lesson 8 – Triangles with 3 Common MeasuresLesson 87.7.8 Morgan
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Lesson 9 – Drawing Triangles (Part 1)Lesson 97.7.9 Morgan
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Lesson 10 – Drawing Triangles (Part 2)Lesson 107.7.10 MorganConstruct a right isosceles triangle
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Lesson 11 – Slicing SolidsLesson 117.7.11 MorganSlicing a rectangular pyramidCross sections of 3D objects (basic)
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Lesson 12 – Volume of Right PrismsLesson 127.7.12 MorganVolume of triangular prism and cube
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Lesson 13 – Decomposing Bases for AreaLesson 137.7.13 Morgan
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Lesson 14 – Surface Area of Right PrismsLesson 147.7.14 Morgan
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Lesson 15 – Distinguishing Volume and Surface Area
Lesson 157.7.15 MorganVolume and surface area word problems
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Quiz 2
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Lesson 16 – Applying Volume and Surface AreaLesson 167.7.16 Morgan
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Lesson 17 – Building PrismsLesson 17
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Unit 7 ReviewKhan Academy Unit 7 Practice Test
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