lesson
Effect of Dimension Changes on Area and Perimeter
Analyze how changing one or more dimensions of a figure affects its area and perimeter using proportional reasoning.
Updated 1 month ago · 2 views
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This lesson is part of a track
Public learning track
Angle Relationships and Geometric Reasoning
5 lessons
Goal
Write and solve equations using angle relationships, analyze the effect of dimension changes, and apply congruent triangle relationships to solve problems.
5 lessons
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Learning standards covered
111.27(b)(3)(B)Texas Essential Knowledge and Skills (TEKS) · Math · 7th Gradeapply and extend previous understandings of operations to solve problems using addition, subtraction, multiplication, and division of rational numbers.
Open Global Standard:OGM.8.NO.3OGM.8.NO.4
111.27(b)(5)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 7th Gradegeneralize the critical attributes of similarity, including ratios within and between similar shapes;
Open Global Standard:OGM.8.GEO.8
111.27(b)(1)(F)Texas Essential Knowledge and Skills (TEKS) · Math · 7th Gradeanalyze mathematical relationships to connect and communicate mathematical ideas; and
Open Global Standard:OGM.8.MP.1
OGM.8.NO.3OGM.8.NO.4OGM.8.GEO.8OGM.8.MP.1