Activity
Scholastic

Bingo Lingo

For Teachers 4th - 6th Standards
Word roots can be great fun when part of a game! Practice a variety of different roots with this nicely put-together bingo game that comes with plenty of instructional ideas.
Lesson Plan
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Curated OER

Building a General Quadratic Function

For Teachers 9th - 12th Standards
Learners rewrite a general quadratic function by completing the square to see a new form of the function that more easily identifies the x-coordinate of the vertex and the two roots of the function.
Activity
Digital Public Library of America

The American Whaling Industry

For Teachers 6th - 12th
When thinking about the American whaling industry most imagine Moby Dick and Nantucket sleigh rides, harpoons and scrimshaw, whale-oil lamps and baleen in women's corsets. But it may come as a surprise that the industry was also...
Activity
Texas Instruments

Texas Instruments: Finding the Roots of a Cubic Equation Math History

For Teachers 9th - 10th
In this Derive activity, students understand how the software solves cubic equations and relate it to contributions made by del Ferro, Tartaglia, and Cardan in finding the method of solving cubic equations.
Activity
Wolfram Research

Wolfram Math World: Quadratic Equation

For Students 9th - 10th Standards
This MathWorld site shows how to derive the quadratic formula.
Activity
Interactive Mathematics

Interactive Mathematics: Newton's Method

For Students 9th - 10th
This lesson provides an example demonstrating the iterative method of finding the roots of a function using derivatives.
Activity
Texas Instruments

Texas Instruments: Cubic, Zeros and Tangents

For Teachers 9th - 10th
In this Computer Algebra System (CAS) activity, students use CAS to prove a theorem regarding cubic functions, their zeros [roots], and tangents to the curves.
Activity
Help Algebra

Help algebra.com: Quadratic Formula

For Students 9th - 10th Standards
This presentation of the quadratic equation includes a discussion on the discriminant and a derivation of the quadratic formula.