Activity
Texas Instruments

Texas Instruments: The First Twelve Days of School

For Teachers 6th - 8th
Students learn to organize data, look for patterns, and solve problems. They will count the number of "coins" in a variation of The Twelve Days of Christmas song. They will also generalize the patterns through symbolic expressions.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Algebra Representation

For Students 9th - 10th Standards
Students will get help translating sentences into algebraic expressions. A practice page is included, and the teacher resource page includes guidelines for a Bingo game.
Activity
Help Algebra

Help algebra.com: Translating Expressions

For Students 9th - 10th Standards
This resource discusses translating verbal expressions to variable expressions. It explains how to look for key words, then gives an example of the process in great detail.
Graphic
Help Algebra

Help algebra.com: Words for Operations

For Students 9th - 10th Standards
The table presented includes common words and phrases used in mathematics along with their algebraic form. This table is helpful for translating word problems into equations.
Interactive
Doina Popovici

Math Play: Algebraic Expressions Millionaire

For Students 4th - 6th Standards
Fill in the correct mathematical expression in the word expression in this interactive game.
Activity
University of Cambridge

University of Cambridge: Nrich: The Pi Are Square

For Students 3rd - 8th
Use the formula given for the area of a circle and a square to solve this challenge. This one page website has the solution available for you.
Activity
Other

Teachers Choice: Simplifying Expressions

For Students 9th - 10th Standards
Learn about simplifying algebraic expressions at this complete "how to" website. Detailed descriptions with examples and a downloadable file that let's you practice your skills.