+
Worksheet
Curated OER

Eight Simplify Radical Expressions Problems

For Students 8th - 11th
For this radical expressions worksheet, students simplify eight expressions contains radicals, variables, and exponents.  Students should be familiar with factoring quadratics in order to complete this worksheet.
+
Lesson Plan
Curated OER

Mixed Factoring Review

For Teachers 9th - 10th
Students solve quadratics by factoring. In this algebra instructional activity, students factor quadratic equations using two different methods. They solve the equations and graph using the intercepts.
+
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Factoring Quadratic Trinomials

For Students 9th - 10th
Thirty-nine problems present a variety of problems working with factoring quadratic trinomials. 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...
+
Unit Plan
Oswego City School District

Regents Exam Prep Center: Quadratic Equations, Discriminant, Quadratic Formula

For Teachers 9th - 10th Standards
A wealth of resources for teachers planning classroom instruction on quadratic equations, discriminant, and the quadratic formula: six lessons covering various ways to solve equations, complete with definitions and step-by-step solutions...
+
Handout
Oswego City School District

Regents Exam Prep Center: Factoring the Difference of Two Perfect Squares

For Students 9th - 10th
Use this site to learn the trick to factoring when the polynomial is a difference of two perfect squares. The site contains examples that are easy to follow.
+
Interactive
Mangahigh

Mangahigh: Wrecks Factor: Factor Simple and Harder Quadratics

For Students 9th - 10th
In this game, you must send rescuers to ships trapped in the Bermuda Triangle by first decoding their coordinates that were given to you as quadratic expressions. As you decode the coordinates, you must draw a search area on a grid that...
+
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
Khan Academy

Khan Academy: Factoring Quadratics Intro

For Students 9th - 10th
Factor quadratics of the form x squared+bx+c. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
+
Handout
University of Guelph

University of Guelph: Physics Tutorials: Algebra

For Students 9th - 10th Standards
This site reviews factoring quadratics, factoring higher order polynomials, and partial fractions.
+
Unit Plan
Khan Academy

Khan Academy: Difference of Squares

For Students 9th - 10th Standards
Factor quadratic expressions of the general difference of squares form. The factored expressions have the general form (ax+b)(ax-b). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
+
Unit Plan
Interactive Mathematics

Interactive Mathematics: Quadratic Equations

For Students 9th - 10th Standards
Using modeling, the world of quadratics is explored. Learn how to solve quadratics using methods of factoring, completing the square, and the quadratic formula. Also included are methods for graphing quadratic functions.
+
Handout
Math Is Fun

Math Is Fun: Real World Examples of Quadratic Equations

For Students 9th - 10th
Provides examples of how quadratic equations can be used in real-world scenarios, and the different methods used to solve them.
+
Activity
Help Algebra

Help algebra.com: Factoring Polynomials

For Students 9th - 10th
Several types of factoring are covered in this article, including common factors, grouping, special factors, and completing the square. The examples include detailed explanations of the factoring process.
+
Activity
Help Algebra

Help algebra.com: Factoring Polynomials

For Students 9th - 10th
A detailed description of how to factor several types of polynomials is presented. Examples are provided to demonstrate the process.
+
Activity
Help Algebra

Help algebra.com: Factor by Grouping

For Students 9th - 10th
Factor a quadratic by group the terms. This resource demonstrates the procedure, then gives and explanation on why this process works.
+
Activity
Help Algebra

Help algebra.com: Steps for Factoring Trinomials

For Students 9th - 10th
Ever have trouble knowing where to start factoring? This summary gives steps for how to factor and tips on what to look for in the quadratics.
+
Activity
Other

Interactive Algebra: Factoring, Lesson 2 1

For Students 9th - 10th
An interactive solver allows you to factor quadratic polynomials. The solver provides hints to help you factor before seeing the answer. Note: These quadratics have a leading coefficient of 1.
+
Activity
Other

Interactive Algebra: Factoring With Negatives

For Students 9th - 10th
These randomly generated polynomials allow you practice factoring. Some of the polynomials contain leading coefficients that are negative. Hints are available when needed and, when ready, you can check your answer.
+
Activity
Other

Interactive Algebra: Factoring Helper

For Students 9th - 10th
This interactive site allows you to enter a quadratic expression and work through the steps of factoring. Hints and the answer are available to help with the process.
+
Interactive
Other

Interactive Algebra: Factoring, Lesson 2 2

For Students 9th - 10th
Practice factoring trinomials with these randomly generated problems. Stuck on finding the right factors? Hints are available, as well as the answer. Continue practicing until you feel comfortable factoring.
+
Activity
Purple Math

Purplemath: Factoring Quadratics: The Simple Case

For Students 9th - 10th
This Purplemath lesson describes how to factor a trinomial. It also gives sample problems for the students to try interactively. The lesson expresses how to check the answer by multiplying through.