About Number Sums
Number Sums is a challenging number puzzle to train your mental math. The goal is to make the sum of numbers in each row, column, and colored region be equal to the clues on the side of the board and inside the colored regions. Practice your math skills and logic with Number Sums! Each row, column, and region has its own solution, but the goal of this math game with numbers is to make them all work at the same time. You have to circle the correct numbers and erase the numbers you don't need. Re
Game Highlights
- Sharpen your math skills while having fun solving problems
- Exercise your mind with challenges that boost cognitive skills
Game Details
- Category
- Math Games
- Platform
- Browser (desktop & mobile)
Frequently Asked Questions
What is Number Sums?
Number Sums is a free online math game you can play right in your browser. Number Sums is a challenging number puzzle to train your mental math. The goal is to make the sum of numbers in each row, column, and colored region be equal to the clues on the side of the board and...
How do I play Number Sums?
Solve math problems by clicking or typing the correct answer. Work quickly for bonus points on timed challenges. Number Sums loads instantly in your browser — just click PLAY to start.
Is Number Sums free to play?
Yes, Number Sums is completely free to play online. No downloads, no installations, and no sign-up required — just open your browser and start playing.
Can I play Number Sums unblocked at school?
Number Sums runs entirely in your browser, so there is nothing to download or install — that is what makes it work on school and work computers, including Chromebooks. Whether the site itself is reachable depends on your network's filters, which are set by your school or IT administrator.
