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Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Secret of E. Quation the Great

For Teachers 3rd - 8th
Want to figure out a magician's secret for a cool balancing trick? Use your algebra knowledge to discover how this magic trick was done.
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Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Case of the Skating Bus Driver

For Teachers 3rd - 8th
The bus is not running in Point Logos because Suzie, the bus driver, has decided to go try out the new "Rocket Skates," at Skate Palace. Help the Math Maven choose an algebraic equation that will tell when the bus driver will be finished...
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Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Pan Balance Shapes

For Students Pre-K - 1st
Use this virtual, double pan balance and explore what shapes and amounts of shape balance each other. Great introduction to beginning algebra concepts.
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Lesson Plan
Can Teach

Can Teach: Target: An Equations Game

For Teachers Pre-K - 1st Standards
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
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Activity
Math Is Fun

Math Is Fun: Introduction to Algebra

For Students 3rd - 8th Standards
How is algebra like solving a puzzle? What is a variable? This simple introduction to algebraic equations offers examples of how to solve for "x" and how to balance equations. Follow a link to a "Simple Algebra Worksheet" when you're...
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Activity
Free Math Help

Free Math Help: Introduction to Algebra

For Students 9th - 10th
An explanation of algebra and equations that emphasizes how easy it is to learn the basics. The concept of balancing equations is looked at in detail. This page can be used by teachers in lesson planning or by students who seem to be...
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Activity
University of Cambridge

University of Cambridge: Nrich: Augustus' Age

For Students 3rd - 8th
Use a simple formula to help you figure out the age of the mathematician Augustus de Morgan. When done, check your results against the solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Brothers and Sisters

For Students 3rd - 8th Standards
Figure out the ages of the children in this family using the clues and your sound algebraic thinking. Check the solution after you complete the problem.
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Activity
University of Cambridge

University of Cambridge: Nrich: Clever Santa

For Students 3rd - 8th
Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Gift Stacks

For Students 3rd - 8th
Figure out how many gifts are in each stack using the clues that are given. The solution is available at this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Eggs in Baskets

For Students K - 1st Standards
At this one page website you will not be carrying all your eggs in one basket. Use the clues to figure out how many eggs are in each of the baskets listed. When you have your solution check to see if it is the same as the one available...
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Activity
University of Cambridge

University of Cambridge: Nrich: Heads and Feet

For Students 3rd - 8th Standards
Solve this problem about hens and sheep and practice your algebraic thinking all at the same time. A solution is provided at this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Mind Reader

For Students 3rd - 8th Standards
This series of operations always yields the same answer. Use your problem solving and algebraic skills and see if you can find the solution. When you have you can check the solution on this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: How Many Eggs?

For Students 3rd - 8th
Use the clues at this one page website to figure out just how many chocolate eggs each child will receive. The solution is available when you figure it out.