Activity
Illustrative Mathematics

Global Positioning System II

For Teachers 9th - 12th Standards
Intricate details of a modern technology that many of us take for granted in our phones, computers (and some cars) are laid bare in a short but deeply investigative activity. The math behind a seemingly simple GPS device...
Activity
Illustrative Mathematics

Slopes and Circles

For Teachers 9th - 12th Standards
An upper-level treatment of what is often presented as a basic concept (the right angle of an inscribed circle on the diameter), this activity really elevates the mathematical thought of the learner! Expected to develop formulas...
Activity
Noyce Foundation

Digging Dinosaurs

For Students K - 12th Standards
Build a function to solve problems rooted in archeology. A comprehensive set of five lessons presents problems requiring individuals to use functions. The initial lesson asks learners to find the possible number of dinosaurs from a...
Activity
101 Questions

25 Billion Apps

For Students 6th - 9th Standards
Learn to use mathematics to your advantage! Using linear modeling, scholars predict the date and time the Apple App Store reaches 25 billion downloads. Considering the prize for the 25 billionth download was a $10,000 gift card, modeling...
Lesson Plan
Curated OER

Domains

For Teachers 9th - 12th Standards
Your algebra learners work to address the order of operations applied to an expression's input variable and the limitations that may be created because of it. This simple task of a few very well-chosen exercises is elegant in it's way of...
Lesson Plan
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Curated OER

Sum of Even and Odd

For Teachers 9th - 12th Standards
Your algebra learners will make use of structure and manipulate expressions involving function notation using the definition of odd and even functions. They then advance even further to analyze the structure in a system of two equations.
Activity
5280 Math

Step by Step

For Teachers 9th - 12th Standards
One step at a time! A seemingly linear relationship becomes an entirely new type of function. Young scholars build their understanding of step functions by completing a three-stage activity that incorporates multiple representations of...
Activity
PBL Pathways

College Costs

For Students 10th - Higher Ed Standards
Predict the year that college costs will double in your state using linear modeling. The first part of this two-part project based learning activity asks young mathematicians to use data from the College Board. They graph the data,...
Activity
Purple Math

Purplemath: Algebra Resources

For Students 9th - 10th
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Activity
Cool Math

Coolmath: Advanced Graphing Absolute Value Functions

For Students 9th - 10th Standards
This algebra lesson explains how to graph absolute value functions.
Activity
Cool Math

Coolmath: Advanced Graphing Piecewise Functions

For Students 9th - 10th Standards
This algebra lesson explains how to graph piecewise defined functions.
Activity
Cool Math

Coolmath: Advanced Graphing Sideways Parabolas

For Students 6th - 9th
This algebra lesson explains how to graph sideways parabolas.
Activity
Cool Math

Coolmath: Advanced Graphing Graphs to Know and Love

For Students 9th - 10th Standards
A tutorial about advanced graphing particular types of graphs.
Activity
Cool Math

Coolmath: Advanced Graphing Shifting, Reflection, Etc.

For Students 9th - 10th
Check out this advanced graphing tutorial on shifting and reflecting.
Activity
Cool Math

Coolmath: Advanced Composition of Functions

For Students 9th - 10th Standards
A precalculus tutorial on the advanced composition of functions.
Activity
Texas Instruments

Texas Instruments: Key Curriculum Press Algebra: Project the Mandelbrot Set

For Teachers 9th - 10th
Students will choose a small region on the boundary of the Mandelbrot Set and create a graph of that smaller region.
Activity
Texas Instruments

Texas Instruments: How to Find the Equation of an Angle Bisector Usin

For Teachers 9th - 10th
Challenge your advanced algebra or pre-calculus students to finding the equation of an angle bisector given two intersecting lines. Students can do this in several ways; the lesson plan here walks through two of them in this interesting...
Activity
Cut the Knot

What's a Rational Number?

For Students 9th - 10th Standards
This question is answered by discussing and comparing rational and irrational numbers. For more advanced levels of Algebra, there are sections that discuss different lemmas of rational numbers and give their proofs.

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