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Wyzant

Wyzant: Solving Using the Quadratic Formula Worksheet

For Students 9th - 10th Standards
The practice sheet reviews how to solve equations using the quadratic formula. The resource consists of 20 questions with answers available.
Activity
Math Medics

S.o.s. Math: Product and Sum Formulas

For Students 9th - 10th Standards
This math lesson lists the product and sum formulas, and gives detailed example of using them to solve algebraic trigonometry problems.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Compound Interest

For Students 9th - 10th
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.
eBook
Mathigon

Mathigon: Algebra: Fibonacci Numbers

For Students 9th - 10th
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Perfect Square Trinomials

For Students 9th - 10th Standards
[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.
Unit Plan
Mangahigh

Mangahigh: Algebra: Inverse Proportion

For Students 9th - 10th
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.
Unit Plan
Mangahigh

Mangahigh: Algebra: Direct Proportion

For Students 9th - 10th
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.
Activity
Texas Instruments

Texas Instruments: Use of Cas in Teaching Differential Calculus by First Princip

For Teachers 9th - 10th
This Computer Algebra System (CAS) activity encourages students to investigate the use of CAS to solve functions using derivatives and appropriate formulas.
Activity
Paul Dawkins

Paul's Online Notes: Algebra Cheat Sheet [Pdf]

For Students 6th - 8th
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.
Whiteboard
ClassFlow

Class Flow: Pyramids Algebra

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students apply algebraic sense to solve puzzles using an array of numbers in the shape of a pyramid.
Lesson Plan
PBS

Pbs Mathline: Aw Chute Lesson Plan

For Teachers 6th - 8th
Learners will design and construct parachutes to determine the rate of descent using the distance formula. Printable lesson
Graphic
National Council of Teachers of Mathematics

The Math Forum: Lines and Slope: Chameleon Graphing

For Students 6th - 8th Standards
Join Joan the chameleon in an exploration of lines and slope. You'll be drawing lines, calculating slope, using equations and more!
Handout
Math Is Fun

Math Is Fun: Area of Triangles Without Right Angles

For Students 9th - 10th Standards
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.
Handout
Cool Math

Coolmath: Sequences With Formulas

For Students 10th - 12th Standards
Explanation and examples of using a formula to determine the nth term in a sequence.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c and a rei.a.1: Products and Reciprocals

For Teachers 9th - 10th
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Special Products of Polynomials

For Students 9th - 10th
[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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Identification of Quadratic Models

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Understanding the equations of parabolas
Whiteboard
ClassFlow

Class Flow: Match Sequences Algebra

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this flipchart, students investigate patterns and sequences used in constructing various shapes using match sticks. Students then develop their introductory algebraic sense by determining the formula...
Interactive
Government of Alberta

Learn Alberta: Midpoint Between Two Locations

For Students 9th - 10th
Find the midpoint between any two points using this java applet. The applet allows the user to pick any two points, see the segment and how the midpoint is found algebraically and graphically.
Unit Plan
Sophia Learning

Sophia: Solving for Quadratic Equations

For Students 9th - 10th
Solve for x using the quadratic formula and complete practice problems. Assess learning with a quiz.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Distance Between Two Points

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this concept, students will learn how to measure distances using rulers and grids. Students examine guided notes, review guided practice, watch instructional...
Whiteboard
ClassFlow

Class Flow: Quadratic Formula and Some Uses

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart contains problems to be used with Algebra I and/or Algebra II.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Solving Quadratic Equations With Square Roots

For Students 9th - 10th Standards
Find a quick, concise explanation for how to solve quadratic equations using square roots. An example is given and clearly explained.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Flowing Through Mathematics

For Students 9th - 10th
Students will use this computer applet to simulate water running out of a tube. By varying the tube diameter and noting time changes and the height of the water in the tube students will create a formula to fit the curves of height...