Curated OER
The Chicken Run
Fourth graders work in a group of 4 to make rectangle with a 12m length of string. They discuss its perimeter and how they would calculate its area. Then another group of 4 make another rectangle and estimate if the area would be greater...
Curated OER
Penny's Box
Learners need to be able to calculate the volume and surface area of a cuboid as well as present a systematic list of results in order to justify the minimum case. The use of three factors of 100 is also important.
Curated OER
The Old Chicken Run Problem
Sixth graders apply problem solving strategies to work with a real life situation in which they need to determine the area. They determine the area of chicken runs that are rectangular in shape when give a partial perimeter.
Curated OER
Geometric Figures
Young scholars compare, classify and calculate the area of geometric figures such as rectangles, squares, circles and triangles.
Curated OER
Cut It Out
Sixth graders derive an original formula for calculating the area of an irregular figure.
Curated OER
"Is a Blue Whale the Biggest Thing There Is?" by Robert Wells
Middle schoolers discuss how big is big. They compare the area and perimeter of an acre and a football field.
Curated OER
Geometry: Area
Students visit various websites to calculate the area of circles, triangles, rectangles, trapezoids, and parallelograms. They explore math problems and play interactive games dealing with geometry.
Curated OER
Solving Problems
In this solving problems worksheet, pupils problem solve and calculate the answers to twelve word problems. Students show each step of their work.
Curated OER
Home on the Range
Young scholars use maps and mathematics to determine the appropriate panther population in a given area. In this Florida ecology lesson, students research the area requirements of male and female panther and use a map to help calculate...
Curated OER
House Dimensions
Fourth graders measure the perimeters of several different rooms. They convert the measurements using ratios that allow them to draw the rooms to scale on paper. They draw the dimensions of a house to scale. They measure length to the...
Curated OER
Mr. V's 'Math Awareness Game'
Students play a math game to reinforce math skills. They calculate a problem, if they have the card with the correct answer, they hold that card up. All incorrect cards go to the student holding the correct answer or the teacher.
Curated OER
ndirect Measurement Technique: Using Trigonometric Ratios
Ninth graders find the height of an object that would be difficult or impossible to measure directly. They construct and use a Clinometer to measure the angle of elevation (or depression). Students create a sketch of the measurement...
Curated OER
Slider Template
Learners identify parameters using a slider template. In this precalculus lesson, students relate a slider to a calculator. It provides the learners the opportunity to control the perimeter of the equations.
Curated OER
Square Pyramids
In this online math worksheet, students practice finding the perimeter and the volume of a variety of square pyramids. When complete, students submit their answers and get instant feedback regarding their accuracy.
Curated OER
Tiling Tessellations
Students explore tessellations. In this shapes and geometry lesson, students describe the attributes of many of the shapes displayed on an Elmo. Students create examples of tessellations using pattern blocks.
California Academy of Science
Greening Your Middle School
Middle schoolers redesign their school to make it more energy efficient, and create a model of their design. Learners get together in groups of 5, and they take on the task of making their school more energy efficient. To do this, they...
Mathematics Vision Project
Module 5: Modeling with Geometry
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts...
Curated OER
Inquiry Unit: Modeling Maximums and Minimums
Young mathematicians explore the maximun area for patio with the added complexity of finding the mimimum cost for construction. First, they maximize the area of a yard given a limited amount of fence and plot width v. area on a...
Curated OER
Pythagorean Theorem by Graphic Manipulation
There are many different ways to show a proof of the Pythagorean Theorem. Here is a nice hands-on paper cutting activity that shows a graphic representation. You can even challenge your young Pythagoreans to come up with their own...
Creative Educator
Dream Room Design
Junior designers brainstorm the elements that a bedroom might have, such as a bed, television, and dresser. They identify which items are needs and which are desires. They practice measurement skills in the classroom by determining its...
EngageNY
Applications of the Pythagorean Theorem
Begin seeing the world through the lens of geometry! Use the 19th installment in a 25-part module to apply the Pythagorean Theorem to solve real-world problems. Individuals sketch situations resulting in right triangles such as the...
Mathed Up!
Area of Sector and Length of Arcs
Viewers learn how to apply proportional reasoning to find area of sectors and arc lengths with a video that starts off explaining how to find the areas of circle sectors and the lengths of arcs. Scholars then practice solving problems...
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...
Curated OER
Finding the Area of an Equilateral Triangle
The problem seems simple: find the area of the equilateral triangle whose sides are each length 1. In fact, this same problem is solved in 8th grade, addressing a different Common Core standard, using the formula for area of a triangle...