Lesson Plan
Better Lesson

Better Lesson: Rewriting Formulas

For Teachers 9th - 10th Standards
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...
Handout
Simon Fraser University

Chem1 Virtual Textbook: Working With Formulas

For Students 9th - 10th
As part of the "Basic Atomics" section of the Virtual Textbook, this site examines formulas and how they are read and written. Other topics covered include a concept map, simplest formulas, and masses.
Unit Plan
Texas Education Agency

Texas Gateway: Using Models to Connect to and Understand Volume Formulas

For Students 7th - 9th Standards
[Accessible by TX Educators. Free Registration/Login Required] The student will use models to develop formulas and connect them to the volume of prisms, spheres, cylinders, pyramids, and cones.
Unit Plan
Texas Education Agency

Texas Gateway: Using Models to Connect to and Understand Volume Formulas

For Students 7th - 8th
[Accessible by TX Educators. Free Registration/Login Required] The student will use models to develop formulas and connect them to the volume of prisms, spheres, cylinders, pyramids, and cones.
Handout
Cuemath

Cuemath: Heron's Formula and Quadrilaterals

For Students 9th - 10th
A comprehensive guide for learning all about Heron's Formula and quadrilaterals with numerous solved examples.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 10.5 the Distance Formula

For Students 9th - 10th
Learn and see examples of the distance formula.
Handout
Towson University

Towson University: Determining Formulae

For Students 9th - 10th
Explanation of how to calculate empirical and molecular formulas.
Handout
Simon Fraser University

Chem1 Virtual Textbook: Simplest Formulas From Experimental Data

For Students 9th - 10th
As part of the "Basic Atomics" section of the Virtual Textbook, this site a variety of topics related to simplest formulas including simplest formulas from atom ratios, simplest formulas from mass composition, and more.
Handout
Clackamas Community College

Clackamas Community College: Empirical Formulas

For Students 9th - 10th
This site presents as explanation for calculating empirical formulas from composition data. Numerous examples are given, along with practice problems.
Website
Purple Math

Purplemath: Completing the Square: Deriving the Quadratic Formula

For Students 9th - 10th Standards
View examples on completing the square and deriving the quadratic formula. The key to solving by completing the square is "practice, practice, practice". By so doing, the process will become more "automatic", and you'll be much more...
eBook
Crescent Public Schools

The Internet Science Room: Chemical Formulas

For Students 9th - 10th
This illustrated tutorial serves as a foundation for understanding chemical formulas in chemistry.
Unit Plan
Department of Defense

Do Dea: Spreadsheet Software: M2:l3: Working Smarter: Copy Formulas and Functions

For Students 9th - 10th
In Module 2 Lesson 3 of this course on spreadsheets, students learn how to save time when setting up a spreadsheet by copying functions and formulas. Includes slideshow tutorials.
Lesson Plan
PBS

Pbs Learning Media: Formulas: Targeted Math Instruction

For Teachers 9th - 10th Standards
At the end of this lesson plan about formulas, students will be able to identify and apply the correct formula for a given situation, solve for any unknown component of the formulas for perimeter, circumference, and area of regular and...
Handout
Science Struck

Science Struck: Potential Energy Formula

For Students 9th - 10th
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...
Handout
Science Struck

Science Struck: Kinetic Energy Formula

For Students 9th - 10th
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...
Handout
Science Struck

Science Struck: A Comprehensive Printable List of Geometry Formulas

For Students 9th - 10th Standards
Provides a list of area and perimeter formulas for two-dimensional shapes and volume and surface area formulas for three-dimensional solids.
Unknown Type
Khan Academy

Khan Academy: Manipulate Formulas

For Students 9th - 10th Standards
Solve multi-variable formulas for a specific variable in order to solve some word problems.
Handout
Texas A&M University

Texas A&m: Steps for Determining an Empirical Formula

For Students 9th - 10th
The steps for determining an empirical formula are listed on this site. Also, it tells how to determine the molecular formula from an empirical formula. Two example problems are worked through step by step.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Sine Sum and Difference Formulas

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Sine of a sum or difference related to a set of cosine and sine functions. Here you'll learn to rewrite sine functions with addition or subtraction in their...
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Introduction to the Triangle Area Formula

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the area of a triangle using sine.
Handout
Clackamas Community College

Clackamas Community College: Structural Formulas

For Students 9th - 10th
This site from the Clackamas Community College has information on the importance of structural formulas for organic compounds, with examples. Includes links to more information.
Handout
eSchool Today

E School Today: Elements, Compounds, Substances and Mixtures

For Students 6th - 8th
Learn about the classification of matter based on whether the chemical composition is pure or a mixture. Understand the definitions of elements, compounds, substances, and mixtures, and what the differences are between them. Five types...
Interactive
Georgia State University

Georgia State University: Hyper Physics: Lens Maker's Formula

For Students 9th - 10th
A discussion of the lens-maker's formula and its use in determining the effect of lens shape and index of refraction upon the magnifying power of a lens. Includes an interactive problem-solving section.
Handout
Science Struck

Science Struck: Baking Soda: Chemical Formula, Preparation, and Uses

For Students 9th - 10th
Baking soda has a variety of uses, including for household cleaning and for baking. Read about its chemical formula and its common reactions.

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