Lesson Plans SET A for Grades 7-8-PDF Lesson 10 Level 7-8 Supplemental 2D Geometry-Class Student

PDF Lesson 10 Level 7-8 Supplemental 2D Geometry-Class Student

Pdf Summary

The document provides an overview of the Math Kangaroo Level 7-8 curriculum focusing on 2D Geometry. It includes outlines for the course, problem-solving strategies, and example problems spanning various mathematical concepts relevant to 2D geometry.<br /><br />The document begins with a structured warm-up problem that involves calculating the area of a shaded segment within an equilateral triangle divided into parts. It highlights key geometry lessons covering essential topics such as rational numbers, algebraic thinking, and percentages, culminating in both 2D and 3D geometry, logic, and more.<br /><br />A significant portion of the text is dedicated to a 4-step problem-solving strategy aimed at enhancing students' skills in tackling complex geometry problems. The steps include understanding the problem, planning an approach, executing the solution, and reflecting through checks and revisions.<br /><br />A comprehensive introduction to 2D geometry concepts follows, detailing fundamental elements like lines, angles, circles, and triangles. Important terms, such as congruence, similarity, and tangent objects, are defined, providing students with necessary vocabulary for solving geometry problems.<br /><br />Several sample problems from past Kangaroo contests demonstrate the application of these concepts. These problems involve various geometric tasks, such as identifying areas, calculating side lengths, and analyzing shapes within coordinate planes. More challenging bonus questions, which integrate advanced geometric properties and manipulations, encourage critical thinking and application of learned strategies.<br /><br />The document concludes by urging students to reflect on their favorite problems, apply learned strategies throughout their lessons, and use available resources from past Math Kangaroo contests for practice. These exercises are designed to build confidence and proficiency in 2D geometry problem-solving.

Keywords

Math Kangaroo

Level 7-8

2D Geometry

problem-solving

geometry curriculum

algebraic thinking

congruence

geometry strategies

coordinate planes

geometry problems