Charleston School District
Solving Systems with Substitutions
How many large and small watermelons did he sell? Just use the given information to write and solve a system of equations! The two videos accompanying the lesson explain the substitution method and then introduce problem solving. The...
Curated OER
Numbers in Spanish
Spanish learners can start with uno, dos, y tres and move all the way up into the millions and trillions on their way to learning all the numbers. The webpage includes information on cardinal numbers, ordinal numbers, fractions, and...
Curated OER
Test Your Speaking And Listening Skills: Role Playing --Health
In this speaking and listening worksheet, students improve oral language skills by collaborating with a classmate in a dialogue about going to a doctor's office.
National Council of Teachers of Mathematics
The Math Forum: The Cereal Box Problem
A cereal company is offering six different prizes in their boxes. How many boxes would you expect to have to purchase in order to collect all six prizes? Known as the Cereal Box Problem, this question is explored here. A solution is...
Math Is Fun
Math Is Fun: Quincunx
The Quincunx is a fascinating probability machine that demonstrates how distribution works. This page has an interactive Quincunx where you can adjust how many rows there are for the balls to bounce down when dropped. A link takes you to...
New Advent
Catholic Encyclopedia: Blaise Pascal
Excellent discussion of the life and work of this great scientist and mathematician. Describes his range of interests and notes his many contributions. Please note that ?The Catholic Encyclopedia? is a historic reference source and...
Interactive Mathematics
Interactive Mathematics: Binomial Distribution
The definition and properties of binomial distributions are presented here, along with the formulas for finding the mean and variance. Examples are provided to demonstrate how binomial distribution problems are solved.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Interactive Mathematics
Interactive Mathematics: The Normal Distribution
Formulas and properties of the normal distribution are presented, including details on the normal random variable and the standard normal distribution. Several real world examples are also included with detailed solutions.