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Mathway: Trigonometry Formulas
Resource provides trigonometry formulas for unit circle, reciprocal identities, ratio identities, Pythagorean identities, sum and difference formulas, and double-angle formulas.
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...
Texas Education Agency
Texas Gateway: Matter and Energy: Chemical Formulas
Practice writing chemical formulas in this tutorial.
Simon Fraser University
Chem1 Virtual Textbook: Working With Formulas
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.
CK-12 Foundation
Ck 12: Chemical Formulas
[Free Registration/Login may be required to access all resource tools.] Students will use a chemical formula or mass data to calculate the percent composition of a compound, and then calculate the empirical or molecular formula for a...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: The Distance Formula and the Midpoint Formula
Twenty-two problems present a variety of practice working with the distance formula and the midpoint formula. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: The Distance Formula
Twenty-four problems cover the topic of applying the distance formula in different settings. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Wolfram Research
Wolfram Math World: Heron's Formula
This site provides a detailed overview of Heron's Formula. Content includes a definition, example, and formula.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Double and Half Angle Formulas
Twenty-two problems present a variety of practice working with double-angle and half-angle formulas. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Science Struck
Science Struck: A Comprehensive List of All the Physics Formulas
Provides a long list of physics formulas for easy reference.
Khan Academy
Khan Academy: What Are the Kinematic Formulas?
Featured are the kinematic formulas or main equations you can use to analyze situations with constant acceleration.
Texas Education Agency
Texas Gateway: Empirical Formula
This tutorial reviews how to calculate molecular formula by giving students video, exercises, and practice.
Texas Education Agency
Texas Gateway: Using Models to Connect to and Understand Volume Formulas
[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.
Texas Education Agency
Texas Gateway: Ionic Bonds: Electron Dot Formulas
Given descriptions, diagrams, scenarios, or chemical symbols, students will model ionic bonds using electron dot formulas.
Texas Education Agency
Texas Gateway: Using Models to Connect to and Understand Volume Formulas
[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.
Other
Mathway: Algebra Formulas
Comprehensive resource provides algebra formulas for exponents, absolute value, factoring Pythagorean Theorem, linear equations, quadratic formula, distance formula, midpoint formula, and slope of a line through two points.
Cool Math
Coolmath: Precalculus Basic Formulas to Know
This CoolMath resource provides an introduction to some Precalculus formulas.
Interactive Mathematics
Interactive Mathematics: Quadratic Formula, Origin, Examples & Exercises
Presents the quadratic formula, gives examples and exercises, and links to popup windows explaining the solutions. Contains a window allowing the user to enter values for a process illustration (requires LiveMath plugin, available from a...
CK-12 Foundation
Ck 12: Trigonometry: Applications of Sum and Difference Formulas
[Free Registration/Login may be required to access all resource tools.] Solving equations and verifying identities with the sum and difference formulas.
CK-12 Foundation
Ck 12: Algebra: The Quadratic Formula: Deriving and Using the Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.
CK-12 Foundation
Ck 12: Chemistry: Molecular Formula
[Free Registration/Login may be required to access all resource tools.] Defines molecular formula and describes how to write molecular formulas.
CK-12 Foundation
Ck 12: Physical Science: Chemical Formula
[Free Registration/Login may be required to access all resource tools.] How to write chemical formulae and what they represent about the substance.
CK-12 Foundation
Ck 12: Chemistry: Formulas for Binary Ionic Compounds
[Free Registration/Login may be required to access all resource tools.] Covers formulas for binary ionic compounds.
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