Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Algebra Tiles

For Students 9th - 10th Standards
This resource is about factoring linear and quadratic expressions in one variable, evaluating them at a given value of the variable, multiplying factors to find the expanded form of the expression, and solving linear and quadratic...
Unit Plan
Khan Academy

Khan Academy: Find the Mistake: Two Step Equations

For Students 7th Standards
Practice problems where the goal is to find the mistake in two-step equations.
Unit Plan
Khan Academy

Khan Academy: Two Step Inequalities

For Students 6th - 8th Standards
Solve inequalities that take two steps to solve. For example, solve 3x + 2 > 5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Linear Equations With Unknown Coefficients

For Students 9th - 10th Standards
Solve a linear equation for a variable where the coefficients are represented by letters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unknown Type
Khan Academy

Khan Academy: Equations With One Rational Expression

For Students 9th - 10th Standards
Solve equations that have one rational expression whose numerator and denominator are linear expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unit Plan
Khan Academy

Khan Academy: Equations With Parentheses

For Students 7th - 8th
Practice solving equations with parentheses using the distributive property. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Equations With Variables on Both Sides

For Students 7th - 8th
Practice solving one-variable equations like 20 - 7x = 6x - 6, where the variable appears on both sides of the equals sign. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Unit Plan
Khan Academy

Khan Academy: Equations With Parentheses: Decimals & Fractions

For Students 7th - 8th
Solve linear equations that contain expressions with parentheses and the coefficients are rational numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Equations and Inequalities Word Problems

For Students 9th - 10th Standards
Construct an equation or an inequality that models a given context. Modeling expressions can be quadratic, rational, or exponential. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video,...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Single Variable Subtraction Equations

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Solve single variable equations involving subtraction.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Single Variable Multiplication Equations

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Solve single variable multiplication equations
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multi Step Equations With Like Terms

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to solve multi-step equations by combining like terms. Students examine guided notes, review example problems, watch instructional...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Distributive Property for Multi Step Equations

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn how to solve multi-step problems using the Distributive Property. Students examine guided notes, review guided practice, watch instructional videos...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: One Step Equations and Inverse Operations

For Students 6th - 9th
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve one-step equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: One Step Equations and Inverse Operations

For Students 6th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve one-step equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Applications of One Step Equations

For Students 6th - 9th
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve real-world problems using one-step equations. Students examine guided notes, review guided practice, watch instructional...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Applications of One Step Equations

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn to write and solve equations to model real-world situations. Students watch a video tutorial, explore guided notes and attempt...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Formulas for Problem Solving

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn to use formulas to solve problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Two Step Equations and Properties of Equality

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to solve two-step equations using the properties of equality. Tutorial includes video, lots of examples, and a set of review questions for practice or...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Write an Equation Given the Slope and a Point

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Forms of Linear Equations

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Equations With Variables on Both Sides

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Write and solve equations involving variables on both sides.
Unknown Type
Khan Academy

Khan Academy: Algebra I: Solutions to 2 Variable Equations

For Students 9th - 10th Standards
Determine which ordered pairs are solutions to equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Applications of Sum and Difference Formulas

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Solving equations and verifying identities with the sum and difference formulas.