Annenberg Foundation
Geometry 3D Shapes: Platonic Solids
From polyhedrons to platonic solids, here is a lesson that will have your classes talking! As an introduction to platonic solids, scholars cut and fold nets to create the three-dimensional solids. They use an interactive component to...
Council for Economic Education
Econ Ed Link: Compound Interest Calculator
The activity investigates compound interest, principal, and interest. Students can calculate different savings over time by inputting the monthly savings, starting age, and interest rate. The learning tool includes a graph that shows the...
Open Door Team
Open Door Web Site: Biology: Calculating Magnification on a Compound Microscope
Learn how to calculate the total magnification of a microscope on this concise site. Links to making a slide, questions on the use of the microscope, and other related microscope topics are included on this site.
Smithsonian Institution
Smithsonian Learning Lab: Prehistoric Climate Change and Why It Matters Today
Introduce students to environmental issues by studying a time of rapid global warming that occurred 50 million years ago. Lessons, video segments and interactive activities will engage students as they learn about average annual...
US Energy Information Administration
U.s. Eia Energy Kids
This comprehensive lesson teaches all about energy, including the different forms, the periodic table, history of human energy use and production, and energy units. It contains an interactive energy calculator, games and activities, and...
Other
Two Clocks
This clock activity is great for teaching about time problems. The first clock shows the start time, while the second clock shows the end time. The duration between the times can be automatically calculated. Either clock or the duration...
Discovering Egypt
Discovering Egypt: Egyptian Mathematics
A brief explanation of the numbering system of the ancient Egyptians, with great drawings and sample problems. Use this resource to introduce yourself to the symbols ancient Egyptians used in mathematics. There are some activities to...
Other
Grace Communications Foundation: Water Program
Tools and information focusing on water conservation and actions people can take to reduce their "water footprint" in daily life. Proves a "water footprint" calculator, tips for saving water around the house, and a collection of...
Illustrative Mathematics
Illustrative Mathematics: Hss md.a.2
Three activities asking students to calculate the expected value of a random variable and interpret it as the mean of the probability distribution. Tasks include Bob's Bagel Shop, Fred's Fun Factory, and Sounds Really Good! (sort of).
Other
First Energy: The Electric Avenue: Energy Fun Factory
Here, students can learn all about energy sources and electricity. Activities include games and calculating energy costs in their homes.
Other
Maths Zone
A huge collection of math online games for all ages. Access different types of math such as: use and apply, count and understand, addition and subtraction number facts, multiplication and division number facts, shapes, measuring, and...
NASA
Nasa Star Child: Planet Hop
Figure out your age and your weight on all the planets in the solar system using the formulas given here. Then type them into the correct place, and let the computer check to see if you are correct.