Primary Resources
Primary Resources: Addition and Subtraction Resources
Here's an extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction. You will find resources on the vocabulary used in word problems, column addition, checking addition and subtraction, games,...
Ducksters
Ducksters: Kid's Games: Play Fast Math Online
Do math problems as fast as you can for the best time in this game including addition, subtraction, division, and multiplication.
Ducksters
Ducksters: Kids Math: Solving Algebra Equations With Addition and Subtraction
Kids learn about Solving Algebra Equations with Addition and Subtraction. Add and subtract from both sides. Example math problems are shown on page.