Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 6th - 10th
Students explore different types of quadrilaterals. Students define the terminology used with quadrilaterals. They create particular quadrilaterals based on specific characteristics of the quadrilaterals using an online tool.
Lesson Plan
Curated OER

Let's Tesselate

For Teachers 3rd - 4th
Students investigate the geometrical concepts of translation, reflection, and rotation. They make different observations looking for the concepts that are displayed in classroom items like floor tiles, carpet designs, and visuals hung in...
Lesson Plan
Curated OER

Geometry and Quilting

For Teachers 4th
Fourth graders combine geometry and language arts skills while examining quilt-making. After identifying the geometric shapes contained in quilts, they write stories to encompass the quilt border. Students conclude by creating and...
Lesson Plan
Curated OER

Math Quilts

For Teachers 2nd - 6th
Young scholars examine geometric shapes. In this geometric shape lesson plan, students examine how geometric shapes flip, turn, and slide to create a pattern. Young scholars analyze the role that quilts played in helping slaves escape...
Activity
Curated OER

Life in a Geometrical Town

For Teachers 5th - 6th
In this geometry worksheet, students create a map that uses various geometrical concepts. The final project is the creation of a "geometrical town." Rubric for grading is included.
Lesson Plan
Curated OER

Integration Unit: Riemann Sum

For Teachers 11th - 12th Standards
Students investigate Riemann Sums. In this calculus lesson plan, students solve problems involving Riemann sums and Right Riemann Sums.
Lesson Plan
Curated OER

Fractions Describe Parts of a Whole

For Teachers 3rd
Third graders represent fractions as part of a whole. In this fractions lesson, 3rd graders use manipulatives to show how a fraction is a part of a whole. This lesson includes individual practice and an assessment instead of direct...
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 2, Lesson 7: Start At Square One

For Teachers 2nd - 3rd
Students examine new shape possibilities by combining two and four triangles using manipulatives.
Lesson Plan
Curated OER

Understanding Fractions

For Teachers 5th - 8th
Students add and subtract fractions and multiply and divide fractions using pattern blocks.
Lesson Plan
Curated OER

Fractions of a Set

For Teachers 3rd
Third graders use fractions to describe part of a set. In this fractions lesson, 3rd graders are introduced to fractions through a book and use pattern blocks to describe a fraction as a part of a set. This lesson includes a scripted...
Lesson Plan
Curated OER

Cover the Triangle

For Teachers 1st - 2nd
Students explore geometric shapes using pattern blocks. They use specific shapes to fill in triangles, color-in their solutions, and discuss the results with a partner.
Unit Plan
Texas Education Agency

Texas Gateway: Area of Triangles, Parallelograms, and Trapezoids

For Students 5th - 7th
These activities provide an opportunity for students to explore the area formulas for triangles, trapezoids, and parallelograms.
Unit Plan
Texas Education Agency

Texas Gateway: Determining Area of Composite Figures

For Students 7th - 8th
Given composite figures (combinations of rectangles, squares, parallelograms, trapezoids, triangles, semicircles, and quarter circles), students will be able to determine expressions for the area as well as calculate the area of the figure.
Unit Plan
Math Planet

Math Planet: Pre Algebra: Measure Areas

For Students 4th - 6th Standards
Demonstrates how to calculate the area of two-dimensional shapes using formulas. Covers parallelogram, triangle, trapezoid, and circle. Includes a video modeling how to find the area of a circle and a triangle. [0:59]
Activity
Texas Instruments

Texas Instruments: The Area of the Trapeziod

For Teachers 9th - 10th
This activity is a based on an activity I saw in Exploring Geometry with the Geometer's Sketchpad. Student will construct a trapeziod and then use rotation to create a parallelogram from the trapeziod. The follow up questions lead the...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Polygons and Areas of Plane Figures

For Students 9th - 10th Standards
Twenty-five problems cover the topics of polygons and finding the area for various plane figures. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Trapezoids

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area and perimeter of a trapezoid. Students examine guided notes, review guided practice, watch instructional videos and...
PPT
Sophia Learning

Sophia: Trapezoid Height and Base: Lesson 2

For Students 9th - 10th
This lesson will demonstrate how to solve for an unknown height or base of a trapezoid when given the area. It is 2 of 5 in the series titled "Trapezoid Height and Base."
Lesson Plan
Better Lesson

Better Lesson: Finding the Area Review and Assessment

For Teachers 6th Standards
Sixth graders find the area of rectangles, triangles, parallelograms, and trapezoids by using formulas or by composing into rectangles or triangles.
Handout
CK-12 Foundation

Ck 12: Geometry: Perimeter and Area Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide looks at the definitions and units for perimeter, area, and circumference, and at the perimeter and area of different shapes, including regular...
Lesson Plan
Better Lesson

Better Lesson: Area of Composite Shapes

For Teachers 6th Standards
Sixth graders take their knowledge about area of rectangles, squares and triangles and apply it to parallelograms, trapezoids, and composite shapes.
Activity
Texas Instruments

Texas Instruments: Investigating Properties of Trapezoids

For Teachers 9th - 10th Standards
Students draw trapezoids and investigate their properties. They derive the area formula for a triangle from the area formula for a trapezoid. They also investigate the terms: Isosceles trapezoid and Tessellation. Numerous supplementary...
Unknown Type
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help: Perimeter and Area of Triangles and Trapezoids

For Students 9th - 10th Standards
Get independent practice working with finding the perimeter and area of triangles and trapezoids. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Activity
CK-12 Foundation

Ck 12: Area and Perimeter of Trapezoids

For Students 5th - 7th Standards
[Free Registration/Login Required] Students move points on the trapezoid to get the bases and height in order to determine the area and perimeter.

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