Curated OER
Using Inequalities to Problem Solve
Students explore inequalities. For this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division. Students use inequalities to solve and graph real-world problems.
Curated OER
The Mandelbrot Set
Students are introduced to the notion of a complex number and function iteration in order to motivate the discussion of Julia sets and the Mandelbrot set.
Curated OER
Smoking: The Real Cost
Third graders discuss the adverse effects of smoking and predict the financial cost of a smoking habit. They collect data regarding the cost of a pack of cigarettes and average packs smoked a day. They create bar graphs displaying the...
Pennsylvania Department of Education
Adding and Subtracting Rational Numbers to Solve Problems
High schoolers explore the concept of probability. In this probability instructional activity, students use area to determine probability. High schoolers use charts and spinners to help determine the probability of events such as...
Curated OER
How Cool Is Your Environment?
Students study the formulas for calculating heat energy and how to convert Celsius to Fahrenheit. They apply the formulas on a worksheet.
Curated OER
Irregular Fractals
Students study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
Curated OER
The Mandelbrot Set
Young scholars explore the Mandelbrot Set. They are introduced to the concept of a complex number and function in order to motivate the discussion of Julia and Mandelbrot sets. Students investigate fractals and how they are built.
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...