Interactive
CK-12 Foundation

Addition of Integers: Adding Electrons

For Students 6th - 8th Standards
Young mathematical scientists interact with protons and electrons in an atom to create a neutrally charged atom. They answer questions based on their findings throughout the interactive resource.
Interactive
Curated OER

Word Problems

For Students 9th - 11th
In this algebra worksheet, students are guided to choose the best method to solve problems using graphing, factoring, completing the square, and quadratic formula. There are 4 problems with an answer key.
Interactive
Curated OER

Word problems involving number relationships

For Students 9th
For this Algebra I worksheet, 9th graders solve word problems in one variable that are based on relationships in numbers.  The one page worksheet contains thirty problems.  Answers are not provided. 
Interactive
Curated OER

Word Problems

For Students 9th
In this algebra worksheet, 9th graders are asked to rewrite word problems using algebraic equations in one variable. There are other links on this page.
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Arcademics

Arcademics: Orbit Integers

For Students 5th - 8th
Orbit Integers is a multi-player racing game that allows students from anywhere in the world to race one another while practicing adding and subtracting integers!
Interactive
Channel 4 Learning

Channel 4 Maths: Mathszone

For Students 3rd - 8th
Can you help Ben and Mai escape their captors and foil the robbers' getaway plan? Test your mathematical aptitude in this captivating, interactive, adventure game that uses a PDA/calculator to solve math clues. Students will activate...