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Home›Puzzle›Number Sums
Number Sums
Number Sums

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Number Sums

PC MobileFree

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!

PuzzleStrategy#puzzle#strategy#number#math#educational#brain#logic#brain-training-games#challenge-games

About Number Sums

Number Sums is a free puzzle game you can jump into instantly on ppongplay. Expect puzzles that test your planning, strategic decisions on every turn and brain-teasing logic. Just click and play — no installs, no plugins, no cost. It plays well on both phones and desktop, so you can pick it up anywhere. Like this one? ppongplay has more puzzle games lined up to play next.

Orientation
Portrait
Platforms
PC · Android · iOS
Price
Free
No install needed
Not required
Release date
May 2026
Categories
Puzzle · Strategy

How to play Number Sums?

Number Sums is a free puzzle game you can play instantly in your browser — no install needed. The game loads automatically when you open this page. Works smoothly on both phones and PC.

Controls

- 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.

Key features

  • Puzzles that make you plan
  • Strategic choices that change each run
  • Plays the same on desktop and mobile
  • Runs straight in the browser with no install or sign-up

Gameplay Video

Frequently Asked Questions

Where can I play Number Sums online?+

You can play Number Sums for free on ppongplay — right in your browser, with no download or sign-up.

Is Number Sums free to play?+

Yes. Number Sums is completely free, with nothing to buy before you start playing.

Does Number Sums work on mobile?+

Yes. Number Sums works on phones and tablets as well as on PC.

Do I need to install anything to play Number Sums?+

No. Number Sums runs instantly in your browser — no installation or plugins required.

What kind of game is Number Sums?+

Number Sums is a free puzzle game you can play online anytime, on PC or mobile.

How do you control Number Sums?+

Use the keyboard and mouse on PC, or touch controls on mobile. On-screen prompts guide you once the game loads.

Are there games like Number Sums?+

Yes. You can find more puzzle games like Number Sums in the puzzle category on ppongplay.

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