AAA Math
Aaa Math: Adding Three Digit Numbers
Read through this explanation of how to add three digit numbers. Use the online game to practice this skill. The game will keep running totals of your correct and incorrect answers. It will also show you a percent score of the correct...
NASA
Ltp: 9th Grade Math Practice Questions
This site offers 38 practice math problems based on the Ohio 9th Grade Math Proficiency Test. Questions are multiple choice and answer pages include discussion.
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson plan is for young scholars to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson plan will be related to the 300 Spartans who battled the invading Persians at the Battle...