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Number Sums

puzzle
1 plays
Number Sums

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How to play

Quick steps to get started

1

- Circle the correct numbers that add up to the values on the sides of the rows, columns and regions.

2

- 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.

3

- 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.

4

- Train your math skills with this free number puzzle with various levels of difficulty. Open different types of board from 3x3 to 10x10.

About this game

What's it all about?

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!

Why play Number Sums on CubicRubik

Our player, ratings, and related picks

Play Number Sums free on CubicRubik in our puzzle collection. We host the game in a fast browser player, keep your recent plays and favorites on our site, and show related titles so your next session is one click away.

Unlike bare embed pages, CubicRubik adds ratings, category context, how-to steps, and curated related games around Number Sums—so you get discovery and guidance, not only a third-party frame.

FAQ

Quick answers before you play

Is Number Sums free on CubicRubik?
Yes. Number Sums is free to play in your browser on CubicRubik. Partner ads may appear to keep the game free.
Do I need to download Number Sums?
No downloads. Open the Number Sums page on CubicRubik and play in the embedded browser player.
Can I play Number Sums on mobile?
Yes—Number Sums is marked mobile-ready in our catalog. Use a modern mobile browser on CubicRubik, or add the site to your home screen.
Why play Number Sums on CubicRubik instead of elsewhere?
You get the same partner game with CubicRubik extras: category browsing, community ratings, related games, streaks, and a consistent player chrome—so returning to Number Sums is easier next time.

Watch gameplay

Screenshots

Number Sums screenshot 1

Game info

Platforms & genres

Genres
puzzle
strategy
number
math
educational
brain
logic
Platforms
Android
IOS
Desktop
Orientation
Portrait