Adding and Subtracting | Math Basics

Practice adding and subracting sums up to 20.

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Build Confidence Through Practice with FactSumo!

Sharpening Your Skills

Start with the building blocks of knowledge: skills. Take things slow, or conquer concepts at the speed of FactSumo.

Reaching Your Goals

Practice is key. Every day you'll practice something new, and apply it to tomorrow. There's no limit to what you can accomplish.

Igniting Your Curiosity

Learn like never before. Combine the elements of sound, picture, video, and text for a unique learning experience.