Interactive
Curated OER

Introduction to Quadratic Equations

For Students 8th
In this quadratic equations worksheet, 8th graders solve and complete 7 various types of problems. First, they find the area for each rectangle with a given perimeter. Then, students describe the shape of the graph and use the equation...
Interactive
Curated OER

Quadratic Equation Calculator

For Students 11th
In this Algebra II instructional activity, 11th graders use an online quadratic equation solver to find the zeros of a quadratic.  The one page interactive instructional activity provides one worked example and the equation...
Interactive
CK-12 Foundation

Quadratic Functions and Equations

For Students 9th - 12th Standards
The form of a quadratic function paints a picture of its graph. Young mathematicians explore this connection by locating key features on a graph and then writing the corresponding equations. The interactive tutorial highlights key...
Interactive
Curated OER

Solving Equations

For Students 10th - 11th
In this algebra instructional activity, students solve linear equations and quadratic equations by factoring, distribution and evaluating. There are 12 questions with an answer key.
Interactive
CK-12 Foundation

Solving Problems by Factoring: Building a Doghouse

For Students 8th - 10th Standards
Building a doghouse is easier with a little mathematical help! Young scholars use sliders to adjust the length of the doghouse and watch as it affects the width and area. They then answer questions that help them discover the question...
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...