Other
Mathway: Geometric Formulas
Resource provides geometric formulas for area, perimeter, surface area, and volume.
National Council of Teachers of Mathematics
The Math Forum: Find the Area of the Shape!
Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.
Texas Instruments
Texas Instruments: From Here to There Applications of the Distance Formula
In this activity, students' will use a pair of motion detectors to record the cartesian coordinates of a rod moving in a star-shaped pattern and calculate the distances moved between the vertices of the star. They also compare these...
Writing Fix
Writing Fix: Left Brained Writing Prompt: Simple Formula Poems: Diamonte
Diamantes are poems that form a diamond-shape, and they are often about two opposite ideas. Write to topics of your choosing using a DIAMANTE or if you need help with a topic, click on the topic generator for ideas. Really try to include...
Government of Alberta
Learn Alberta: Math Interactives: Exploring Composite Figures
Investigate how a variety of shapes can be used to form composite figures using this interactive Learn Alberta math resource. Students will also work on using relevant operations and formulas to figure out the total area of composite...
CK-12 Foundation
Ck 12: Lewis Electron Dot Structures
[Free Registration/Login may be required to access all resource tools.] The following online tutorial describes how a covalent bond forms, including the energy change involved in the process.Students will be asked to use the octet rule...
Texas Education Agency
Texas Gateway: Estimating Measurements/using Models and Formulas: 3 D Figures
Given application problems involving 3-dimensional figures, the student will estimate measurements, including surface area and/or volume, then solve the problems.
ClassFlow
Class Flow: Match Sequences Algebra
[Free Registration/Login Required] In this flipchart, students investigate patterns and sequences used in constructing various shapes using match sticks. Students then develop their introductory algebraic sense by determining the formula...
Other
Nearpod: Circles: Area and Circumference
In this instructional activity on circles, 7th graders will learn how to find the area and circumference of circles, semicircles, and compound shapes using formulas.
abcteach
Abcteach: Math Posters
[Free Registration/Login Required] Most of the posters on this site are colorful math posters for primary or elementary school. However, there is one math poster that could be used in secondary school geometry class that has the formulas...
Sophia Learning
Sophia: Coordinate Geometry of Squares: Lesson 2
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices if a quadrilateral, if the shape is a square in a coordinate plane. It is 2 of 2 in the series titled...
ClassFlow
Class Flow: Pyramids Algebra
[Free Registration/Login Required] Students apply algebraic sense to solve puzzles using an array of numbers in the shape of a pyramid.
Ducksters
Ducksters: Kids Math: Finding the Volume and Surface Area of a Sphere
Kids learn how to find the volume and surface area of a sphere. Formulas used for this shape. Example math problems.