Lesson Plan
Scholastic

Scholastic: Solving the Unknown With Algebra

For Teachers 6th - 8th
Students will learn and reinforce skills for solving for unknowns, manipulating equations while keeping them in balance, using formulas to solve real-world challenges, and working with proportions, radicals and exponents.
eBook
Mathigon

Mathigon: Algebra: Sequences and Patterns

For Students 9th - 10th Standards
Explore this course in sequences and patterns including simple sequence, triangle and square numbers, terms, recursive formulas, and explicit formulas. Click on Trailer on the top left to watch an introductory video.
Unit Plan
Department of Defense

Do Dea: Algebra 1: Semester 1: Equations

For Students 9th - 10th
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Logarithm Functions

For Students 9th - 10th Standards
Detailed math tutorial introduces logarithm functions giving the basic properties and graphs. Also, discusses how to evaluate some basic logarithms including the use of the change of base formula, the common logarithm, log(x), and the...
Unknown Type
Khan Academy

Khan Academy: Recursive Formulas for Geometric Sequences

For Students 9th - 10th Standards
Find the recursive formula of a geometric sequence given the first few terms or given an explicit formula.
Handout
Cuemath

Cuemath: Algebraic Expression

For Students 9th - 10th Standards
This resource helps with understanding the concept of variables, constants, terms, and coefficients of any algebraic expression. Learn how to simplify algebraic expressions using algebraic formulas and the different types of expressions.
Handout
CK-12 Foundation

Ck 12: Algebra: Graphing Quadratic Equations Study Guide

For Students 9th - 10th
This comprehensive study guide highlights the main terms and formulas needed to review graphing quadratic equations. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Lines in the Coordinate Plane Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review lines in the coordinate plane. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Graphs of Rational Functions Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to understand graphs of rational functions. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Graphing Linear Equations

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review graphing linear equations. Examples are included.
Handout
CK-12 Foundation

Ck 12: Algebra: Systems of Linear Inequalities Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to understand systems of linear inequalities. Examples are included.
Activity
Other

Karl's Calculus Tutor: Basic Algebra Concepts

For Students 9th - 10th Standards
This site is a comprehensive review of algebraic basics including equations, the distributive law, the equation of a straight line, quadratic equations, polynomials, the difference of squares, the Pythagorean distance formula, and...
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Math Drills

Math drills.com: Algebra Worksheets

For Students 9th - 10th
Download these worksheets to sharpen your algebraic skills. Sheets focus on missing numbers, translating, simplifying and evaluating algebraic phrases, rewriting formulas, solving linear equations, systems of linear equations and inverse...
Website
Ducksters

Ducksters: Kids Math: Solving Algebra Equations With Multiplication and Division

For Students 9th - 10th Standards
Kids learn about Solving Algebra Equations with Multiplication and Division. Multiply or divide from both sides. Example math problems are found on the site.
eBook
Math Planet

Math Planet: Pre Algebra: The Pythagorean Theorem

For Students 9th - 10th Standards
Learn all about the Pythagorean Theorem by viewing examples and a video lesson.
Unit Plan
Cuemath

Cuemath: Quadratic Equations

For Students 9th - 10th Standards
A comprehensive guide for learning all about quadratic equations with definitions, quadratic formulas, how to solve them, solved examples, and practice questions.
Unit Plan
BBC

Bbc: Higher Bitesize Maths: Quadratic Theory

For Students 9th - 10th Standards
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
Unit Plan
New York Times

New York Times: Steven Strogatz on the Elements of Math Series the New York Times

For Students 9th - 10th
[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Log Ride

For Teachers 5th - 8th Standards
In this instructional task young scholars are given two inequalities, one as a formula and one in words, and a set of possible solutions. They have to decide which of the given numbers actually solve the inequalities. There are two...
Lesson Plan
Alabama Learning Exchange

Alex: What Is the Slope?

For Teachers 9th - 10th
The purpose of this activity is to help students apply the mathematical definition of slope to a concrete example. The students will learn to make the appropriate measurements and apply the formula to calculate the slope of the stairs...
Unit Plan
Cuemath

Cuemath: Sequences

For Students 9th - 10th Standards
A comprehensive guide for learning all about sequences with definitions, the types of sequences, examples of sequences, formulas for sequences, solved examples, and practice questions.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Literal Equations

For Students 9th - 10th Standards
Learn how to solve equations that contain more than one variable.
Handout
Cut the Knot

Cut the Knot!: What Is a Number?

For Students 9th - 10th Standards
Casual and clear but definitely upper-level discussion of rational, real, imaginary, and several other types of numbers. Links to related sites.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg Toilet Roll

For Teachers 9th - 10th Standards
Picture a roll of toilet paper; assume that the paper in the roll is very tightly rolled. Assuming that the paper in the roll is very thin, find a relationship between the thickness of the paper, the inner and outer radii of the roll,...