National Council of Teachers of Mathematics
The Math Forum: Calculation Tips & Tricks: Multiplication Tips
Find tips for multiplying by 5, 9, and 11, and learn how to solve math problems without a calculator. This site includes explanations and examples for gifted children and teachers wanting to challenge their students.
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator!
Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...
Braingle
Braingle: Math Brain Teasers
Check out the variety of math brain teasers at this site, which you can sort by popularity and difficulty.
Other
A River Runs Through It Learning Project
In this year long learning project integrating mathematics and science, students solve environmental problems using data collection and problem solving concepts. Designed for upper elementary gifted students. Interactive components and...
ClassFlow
Class Flow: Math Christmas
[Free Registration/Login Required] Students will have a multiplication Christmas by reviewing multiplication fact families 2, 3, 4, 5, and 10's through the magic wreath. By moving the wreath over the gifts, students will reveal the...
Other
Problems in the Points Contest of Ko Mal
Learn about the annual KoMal competition in mathematics, physics, and information technology, and challenge your ability to solve problems involving advanced algebra, logic, and other related topics through the tests provided at this site.
Braingle
Braingle: Probability Brain Teasers
Check out the variety of probability brain teasers at this site, which you can sort by popularity and difficulty.
Other
Danielle's Place: Bible Theme Crafts for Kids
If you teach religion to elementary students, then you have to see this site! It is overflowing with creative ideas to use in your classroom and will get your students excited about the Bible. Many of these lessons also integrate math,...