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Dear LOR user,

Thank you for being a big part of this community. To better support the initiatives around open educational resources in the state of Michigan, all resources on the Michigan Virtual Learning Object Repository (LOR) are being moved to #GoOpen Michigan (link is external) on September 30th, 2018. During the transition, our LOR will be moved to an archived state, not allowing new user registration or new content to be added. An email with more details was sent to registered users of the LOR in September. To make use of the great resources on the platform, we encourage you to create an account and add your own new resources to the #GoOpen Michigan platform (link is external).

# Geometry

## Equal and Unequal Shares

Students learn to identify and describe equal and unequal shares using drawings, words, and media. This is an important skill for students to learn prior to understanding fractions.

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Unit abstract

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## 6.G.A.4 Nets & Surface Area 6th Grade

In 6th grade Geometry: Two & Three Dimensional Measurement, students will solve real-world mathematical problems involving area, surface area and volume.  Students will learn the difference between 2 dimensional figures and 3 dimensional figures (solids). Students will be able to sketch a net of a rectangular prism and calculate the total Surface Area.

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## Geometry - First Grade Everyday Math

In this unit, children learn about attributes of shapes, compose and decompose composite shapes.

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## 6.G.2 Area of Parallelograms, Triangles, Trapezoids, and Polygons

Finding the area of parallelograms, triangles, trapezoids, and polygons of various sizes and shapes using various units of measure.

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## Hands On • Find Shapes in Shapes - GoMath 12.6 Supplement

This lesson uses GoMath Chapter 12 Lesson 6 resources and incorporates supplemental digital resources to reinforce lesson objectives.

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## 4th Grade Introduction to Finding Both the Perimeter and Area of an Object

This lesson is designed to introduce fourth grade students to formulas to find the perimeter and area of an object.  Students will make the transition from adding side lengths to find the perimeter of a rectangle to using the formula P = (2 * l) + (2 * w) and why A = b * h should be used instead of A = l * w to find the area of polygons.  Students will apply these formulas to fin

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## 2nd Grade Introduction to Three Dimensional Shapes

This unit is designed to introduce 2nd grade students to solid figures. Students will learn the characteristics of cubes, rectangular prisms, spheres, cylinders and cones.  Students will be able to identify these figures in real-life objects and begin to describe the attributes of each figure.

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## Triangle Congruence Matching/Guessing Game

Students will cut out the cards on the attached worksheet. They will walk around the room and show their partner the triangle. Their partner will then answer with what type of triangle congruence theorem it is (ASA, SSS, HL, etc). It is a great way for students to visualize the different theorems and get out of their seats!

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## Angle Relationships

In this lesson, students will be introduced to The Triangle Sum Theorem, Exterior Angles Theorem, and Third Angles Theorem. These are three vital theorems as the students will move into proofs.

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