Number Sums - Numbers Game

Contains adsIn-app purchases
4.2
92.3K reviews
5M+
Downloads
Content rating
Teen
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About this game

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.

Tips to hone your skills:
- Erase numbers on the board that are greater than the totals in the boxes.
- If there is only one odd number in a column or row, and an even number is the sum in the box outside the board, then remove it.
- If the largest number on the board isn't the same as the total outside the board, then add the smallest number from the board to it. If the sum is greater than the value in the box, then erase the largest number.

What you get by playing the Number Sums game:
- Tons of number puzzle games to challenge your brain.
- Enjoy your game experience with the minimalistic and simple design.
- Useful hints to help you when you’re stuck.
- Mind puzzles with no time limits. Take your time to find the one and only solution to these number games.

If you enjoy number games, take a break with Number Sums puzzles. Challenge your logic and play Number Sums anywhere, anytime!

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Updated on
19 May 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Financial info and 3 others
This app may collect these data types
Location, Financial info and 3 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.2
86.2K reviews
Ashley Schouweiler
28 May 2025
It's somewhat challenging game that helps pass the time. Theres only a few things that would make this game better: 1. I wish they would stick to ads in between levels. The mid level ads are very distracting. I will be working on a row of numbers, and the ad pops up completely losing my train of thought. 2. There is an option for subtotal for the rows and columns but not the ones that lay within the box. 3. I really wish there would be a dark mode since I will sometimes play when I can't sleep.
73 people found this review helpful
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Easybrain
28 May 2025
Hi, we appreciate your feedback! It's great to hear that you find the game challenging and enjoyable. Your points about mid-level ads causing disruption and the desire for subtotal options within the boxes are noted. We understand a dark mode would enhance your nighttime play, making it more comfortable. Thank you for sharing!
Tom Siebert
13 March 2025
Like everyone else, I find the mid-game ads beyond irritating, made worse by the obnoxious little character with the big smile and complement, the most absurd being "Keep going", right before it kicks you out. I'd like to give the game play 5 stars, but the ads bring it down to 3. And since every review I've seen has 1-3 stars thanks to the ads, the illustration showing that over half of the reviews are 5 stars really comes across as complete BS.
21 people found this review helpful
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Easybrain
14 March 2025
Hi! We appreciate your feedback on the mid-game ads and understand how they can disrupt your experience, especially with the character's comments. Your perspective is important, and we’re grateful you took the time to share it. We hope you continue to enjoy the gameplay!
winterstrife
7 September 2024
Should have taken more time to read reviews. It's a fun game, but after a short honeymoon period they interrupt game flow to play ads mid-level. I tried a few levels to see if it was only happening during daily puzzles or what, but it happens during all puzzles. Super annoying and I have un-installed it. I can deal with ads between levels, or if you exit off the screen/pause, but ads while you're actively playing a level? Awful.
132 people found this review helpful
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Easybrain
9 September 2024
Hi! Thanks for sharing your feedback. We understand how frustrating it can be to have ads interrupting the game flow, especially mid-level. We appreciate your thoughts and will keep them in mind as we work to improve the experience. We're sorry it impacted your enjoyment, and thank you for giving the game a try!

What's new


- Performance and stability improvements

We read all your reviews and always try to make the game better. Please leave us some feedback if you love what we do and feel free to suggest any improvements. Challenge your brain with Number Sums puzzle and have fun!