CK-12 Foundation
Ck 12: Algebra: Lines in the Coordinate Plane Study Guide
This comprehensive study guide highlights the main terms and formulas needed to review lines in the coordinate plane. Examples are included.
Khan Academy
Khan Academy: Algebra Ii: Evaluate Logarithms: Change of Base Rule
Evaluate any logarithm in a calculator with the use of the change of base formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Algebra.com: Quadratic Equation Solver
An interactive solver for quadratic equations shows solutions using several methods, including graphing and the quadratic formula.
Khan Academy
Khan Academy: Quadratic Formula
Solve quadratic equations using the quadratic formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas Instruments
Texas Instruments: What's Up?
Concepts and skills covered in this activity include writing keystroke sequences for formulas and converting between temperature scales.
CK-12 Foundation
Ck 12: Algebra: Square Root Applications
[Free Registration/Login may be required to access all resource tools.] Solve applications using square roots.
Interactive Mathematics
Interactive Mathematics: Basic Algebra
Interactive lessons are provided for many topics in algebra, including: laws of algebra, powers, roots and radicals, algebraic expressions, equations, and more. Use the links to navigate the tutorial and learn more focused concepts. The...
Wyzant
Wyzant: Solving Using the Quadratic Formula Worksheet
The practice sheet reviews how to solve equations using the quadratic formula. The resource consists of 20 questions with answers available.
Math Medics
S.o.s. Math: Product and Sum Formulas
This math lesson lists the product and sum formulas, and gives detailed example of using them to solve algebraic trigonometry problems.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Compound Interest
Find a quick, concise explanation of Compound Interest. Examples are given and clearly explained using both the Yearly Compound Interest Formula and General Compound Interest Formula.
Mathigon
Mathigon: Algebra: Fibonacci Numbers
This lesson focuses on Fibonacci numbers, a pattern based on the sum of the two previous numbers. It offers examples and practice exercises using some form of Fibonacci numbers.
CK-12 Foundation
Ck 12: Algebra: Factorization Using Perfect Square Trinomials
[Free Registration/Login may be required to access all resource tools.] Factor perfect square trinomials and the difference of two squares and solve quadratic equations by factoring.
Mangahigh
Mangahigh: Algebra: Inverse Proportion
Mangahigh is a website with math games aimed at twelve to eighteen year olds. On this site students find and use the formula for inverse variation.
Mangahigh
Mangahigh: Algebra: Direct Proportion
Mangahigh is a website with math games aimed at twelve to eighteen year olds. On this site students form and use the formula for direct variation.
Texas Instruments
Texas Instruments: Use of Cas in Teaching Differential Calculus by First Princip
This Computer Algebra System (CAS) activity encourages students to investigate the use of CAS to solve functions using derivatives and appropriate formulas.
Paul Dawkins
Paul's Online Notes: Algebra Cheat Sheet [Pdf]
An algebra "cheat sheet" to use as a reference when completing algebra homework. Lists basic facts, properties, operations, formulas, and functions, as well as common errors.
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.
PBS
Pbs Mathline: Aw Chute Lesson Plan
Students will design and construct parachutes to determine the rate of descent using the distance formula. Printable instructional activity
National Council of Teachers of Mathematics
The Math Forum: Lines and Slope: Chameleon Graphing
Join Joan the chameleon in an exploration of lines and slope. You'll be drawing lines, calculating slope, using equations and more!
Math Is Fun
Math Is Fun: Area of Triangles Without Right Angles
Learn how to find the area of triangles without right angles. Find the formula to use depending on the information you know about the triangle: base and height, three sides, or two sides and an angle.
Cool Math
Coolmath: Sequences With Formulas
Explanation and examples of using a formula to determine the nth term in a sequence.
Illustrative Mathematics
Illustrative Mathematics: A rei.c and a rei.a.1: Products and Reciprocals
The purpose of this task is to test student skills at converting verbal statements into two algebraic equations and then solving those equations. Aligns with A-REI.A.1 and A-REI.C.
CK-12 Foundation
Ck 12: Algebra: Special Products of Polynomials
[Free Registration/Login may be required to access all resource tools.] Find the square of a binomial and use the sum and difference formula to find the product of binomials.
CK-12 Foundation
Ck 12: Algebra: Identification of Quadratic Models
[Free Registration/Login may be required to access all resource tools.] Understanding the equations of parabolas