Curated OER
Area of Combined Shapes - Turtle Combo
Students graph polygons using the name and number of sides. In this geometry lesson plan, students identify the formula to calculate the area and perimeter of polygons. They relate the formula to different polygons and shapes.
Curated OER
Math 312 Spring 2004: Complex Integration
In this complex integration worksheet, students use contour integration to find the area of odd shapes in a plane. This two-page worksheet contains four multi-step problems.
EngageNY
Ratios of Fractions and Their Unit Rates 2
Remodeling projects require more than just a good design — they involve complex fractions, too. To determine whether a tiling project will fit within a given budget pupils calculate the square footage to determine the number of tiles...
Concord Consortium
Polarization
This is one cool resource for teaching about polarity! Chemistry scholars observe electron distribution and molecular shape as they select different non-metals and form bonds. The interactive offers two views, surface charge and electron...
Curated OER
Space Shuttle's Heat Shield Problem
Learners participate in a role-play activity to determine how to replace heat shields on the space shuttle using polar coordinates.
Bytes Arithmetic
Geometry Pad+
Graphing paper, pencil, ruler, protractor, and compass, all get replaced or supplemented with this dynamic geometry application. Here, you can create, move, and scale many different shapes, as well as, explore and change their properties...
Constitutional Rights Foundation
Federal Policy and Immigration
How is federal policy established? To gain insight into this complex and often messy process, class members read an article that uses information on attempts to establish public policy in immigration to illustrate the role proposed...
Maryland Department of Education
The Concept of Identity Lesson 1: Close Reading/Socratic Seminar
John Knowles' A Separate Peace provides readers with an opportunity to develop their close reading and analytical skills as they look for what Knowles feels are the factors that shape our identity.
Curated OER
Hands-On: Sums of Angle Measures
In this angle measures worksheet, students solve six word problems where they are given 6 different polygons, some of which are complex, and must determine angle measures in order to arrive at a solution.
Curated OER
Geometry: Calculating Area
In this calculating area instructional activity, students find the area of complex shapes. This one-page instructional activity contains 6 multi-step problems.
Curated OER
Polygon Perimeters
Students complete worksheets where they calculate the perimeter of polygons. In this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
Royal Society of Chemistry
Shapes of Molecules—Hybrid Orbitals
Take your chemistry class' knowledge of molecular geometry to the next level! Introduce orbital hybridization with a series of related games. Individuals complete a data table in the first activity, then solve Sudoku-like puzzles using...
Curated OER
Circles, Rectangles, Squares, Triangles
Students identify, compare and classify the various shapes. In this shapes instructional activity, students listen to descriptions of shapes with words such as sides, angles, congruent, and parallel. Students then give the teacher...
Curated OER
A Holocaust Monument
Young scholars examine Holocaust memorials to discover expressive power of shapes, practice creating simple geometric shapes or forms, and practice calculating ratios, area, and/or volume.
Curated OER
A Holocaust Monument
Students create a Holocaust memorial. In this interdisciplinary lesson, students use geometric shapes or forms to create a Holocaust monument.
Curated OER
Symmetrical Journals
Learners identify symmetrical shapes around their classroom and make symmetry journals. For this symmetry lesson plan, students make drawings of symmetrical shapes inside their journals.
Curated OER
Quadrilateral Characteristics
Fourth graders explain the characteristics of quadrilaterals and describe, identify and analyze characteristics and properties of geometric shapes.
Curated OER
Drawing Animals
Young scholars draw animals using photographs and/or mounted animals. They apply details using shading techniques. They illustrate animals using geometric shapes.
Mrs. Glosser's Math Goodies
Perimeter & Area Worksheet 3
There are many different polygons, so give your learners a learning exercise that practices area and perimeter on the various shapes. This full-page learning exercise includes problems with hexagons, trapezoids, squares, parallelograms,...
Curated OER
Perimeter and Area of Complex Figures
In this perimeter and area of complex figures practice worksheet, learners sharpen their problem solving skills as they solve 6 story problems.
Curated OER
How many edges do I need to cut in order to open a cube?
Learners problem solve to open a cube to create different shapes. In this problem solving lesson plan, students are given a cube and the shapes to open it up to, and they have to cut the cube open to make certain shapes. This gives them...
Curated OER
Using an Old Brush in a New Way
Students use toothbrushes, scissors, tag board paper, pencils, drawing paper, tempera, water color kits, and water. They draw a simple contour shape on tag board and cut it out in one piece. Students identify the positive and negative...
Illustrative Mathematics
Representing Half of a Circle
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, students are asked to determine whether or not one half of each circle is shaded. To support...
Teach Engineering
Projections and Coordinates: Turning a 3D Earth into Flatlands
Introduce your class to map projections and coordinates, the basics for the work done in a GIS, with an activity that uses Google Earth to challenge learners to think about the earth's shape.