Better Lesson
Better Lesson: Rewriting Formulas
In this instructional activity, students explore "real-life" resources that make use of literal equations (rewriting known formulas) to help make people's lives easier. Students will use Excel to design formulas that find a specific...
Science Struck
Science Struck: Potential Energy Formula
Explains what is meant by potential energy and demonstrates how to use the formulas for gravitational potential energy, elastic potential energy, and electric potential energy. Includes interactive calculators for the first two formula...
Science Struck
Science Struck: Kinetic Energy Formula
Explains what is meant by kinetic energy and demonstrates how to use the formulas for a point mass moving at less than the speed of light, for rotational motion, and for a mass moving at a relativistic speed. Includes interactive...
Khan Academy
Khan Academy: Bonus Challenge
This article gives a step-by-step guide to how the boundary lines in a Voronoi diagram can be calculated.
Calculator Soup
Calculator Soup: Three Dimensional Distance Calculator
Use this calculator to calculate the distance between 2 points by entering 2 sets of coordinates in the 3-dimensional Cartesian coordinate system, (X1, Y1, Z1) and (X2, Y2, Z2), to get the distance formula calculation for the 2 points...
Calculator Soup
Calculator Soup: Golden Ratio Calculator
Use this calculator to find values that satisfy the golden ratio where (A+B):A = A:B. Enter any ratio term to calculate the missing golden ratio values. The answer also includes two additional, equivalent sets of golden ratio terms based...
Science Struck
Science Struck: Easy Methods to Calculate Percent Change
Explains and demonstrates how to calculate the percent change using a formula.
Science Struck
Science Struck: Working Principle, Types, Applications of a Manometer
A manometer is used to measure the pressure of a gas or fluid. This article explains the principle behind the working of manometers, the different types, and how they are used. Formulas used to calculate pressure are also given.
Mathigon
Mathigon: Graphs and Networks: Parties and Dating
This lesson uses handshakes at a party to explain complete graphs, when every vertex is connected to every other vertex. It shows how a formula was created to calculate the number of edges.
NASA
Nasa Star Child: Planet Hop
Figure out your age and your weight on all the planets in the solar system using the formulas given here. Then type them into the correct place, and let the computer check to see if you are correct.
Purple Math
Purplemath: Solving Polynomials: How To
Demonstrates the steps involved in solving a general polynomial, including how to use the Rational Roots Test and synthetic division. Points out when using a graphing calculator can be very helpful.
Science Buddies
Science Buddies: M&m Geometry
Geometry is the study of how to use math to describe and investigate different points, lines and shapes. The way that a shape is described in geometry is with a formula, which is simply a mathematical way to calculate different...
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Anatomy of the Eye
This tutorial looks at the anatomy of the eye and how the sense of sight works. This is the first part of a learning module. Subsequent sections cover how images are formed and detected, the concept of accommodation where the eye adjusts...
Other
Finra Investor Education Foundation: Introduction to Earning Interest 11 & 12
Students will know and be able to use the formula for calculating compound interest and understand the effect of compounding on savings in this lesson plan.
Math Open Reference
Math Open Reference: Surface Area of a Pyramid
Use this interactive tool to find the surface area of a pyramid. Try different figures for the height and the base to see how these affect the area. Properties of a pyramid are discussed, how to use a formula to calculate the surface...
Science Struck
Science Struck: A Guide to Projectile Motion With Real Life Examples
Projectile motion is explained here. Includes a discussion of Newton's Second Law of Motion, the formulas used to make different calculations, real-life examples of projectile motion at work, and sample problems with solutions.
Concord Consortium
Concord Consortium: Total Resistance in Series Parallel Circuits
Use the formula for the parallel resistors to calculate the total resistance in series-parallel circuits.
CK-12 Foundation
Ck 12: Plix Series: Uniform Acceleration
[Free Registration/Login Required] Using the average acceleration formula, calculate the velocity of a falling ball, and then check your answer by dragging the point along the line in the given graph. After the activity, answer one...