National Council of Teachers of Mathematics
Nctm: Figure This: Are Dice Fair or Not?
Is it fair or not fair? That is the question. Try this math challenge where you use your probability and number sense skills to determine whether or not a game is fair. Find out how mastering this challenge can be useful in real life...
National Council of Teachers of Mathematics
Nctm: Figure This: How Can You Use Old Stamps?
Test your number sense and problem-solving aptitude with this math challenge using postage stamps with different values. This one-page activity from the NCTM Math Challenge for Families series focuses developing skills that can be used...
TeachEngineering
Teach Engineering: Energy Systems and Solutions
The Energy Systems and Solutions unit brings students through the exploration of science and engineering concepts as they relate to energy issues in everyday life. Issues surrounding energy production and energy consumption provide a...