Number Sums

Play Number Sums unblocked

Looking for a sudoku puzzle you can play at school? Number Sums loads straight in your browser on Physics Shark: free, unblocked and nothing to install. Play it on a school Chromebook, a laptop, a phone or a tablet.

What is 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. Remember, the sums of the numbers in rows, columns and colored regions should be equal to the numbers on the sides of the board and inside each region. Each level of this numbers game has only one solution, try to find it to solve educational math puzzles!

Mental arithmetic is an invaluable math skill for your everyday life. Inside Number Sums you'll find math puzzles of various difficulty. The mechanics of these math riddles sounds simple but requires a lot of thinking. Playing sum number games and solving math problems can improve your arithmetic skills. If you are interested in number puzzles or math games for adults, and in training your addition skills, play this engaging number game for hours of fun!

How to play Number Sums

• Circle the correct numbers that add up to the values on the sides of the rows, columns and regions.
• Use the toggle to switch between circling and erasing modes. It will help you to mark the correct numbers and the extra numbers that you don't need.
• Each level of these math puzzles has only one possible solution, so make sure that the rows, columns and colored regions work together at the same time.
• Train your math skills with this free number puzzle with various levels of difficulty. Open different types of board from 3x3 to 10x10.

Number Sums FAQ

Is Number Sums free to play?

Yes. Number Sums is free on Physics Shark, with nothing to download and no account to make.

Can I play Number Sums unblocked at school?

Number Sums runs in a normal browser tab with no install, so it plays on school Chromebooks and laptops, with nothing to install and no account.

Does Number Sums work on phones and tablets?

Yes. It works with touch controls on phones and tablets, and with a keyboard and mouse on computers.