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Number Sums

Puzzle
1.11.0
120.9 MB
by Easybrain
Android 7.0+
Aug 27,2026
Package Name: com.easybrain.number.sums.puzzle

3.9

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Application Description

Number Puzzles & Math Games for Brain Training

Test Your Arithmetic Skills!

About the Game

Number Sums is a challenging number puzzle designed to train your mental math. The goal is to make the sum of numbers in each row, column, and colored region 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 is to make them all work at the same time. You have to circle the correct numbers and erase the ones you don't need. Remember, the sums in rows, columns, and colored regions should match the target numbers on the sides of the board and inside each region. Each level has only one solution—try to find it!

Why Play Number Sums?

Mental arithmetic is an invaluable skill for everyday life. Inside Number Sums, you'll find puzzles of various difficulty levels. The mechanics sound simple but require deep thinking. Playing these sum games can significantly improve your arithmetic skills. If you are interested in number puzzles or free mental math games for adults, this engaging game offers hours of fun!

How to Play Number Sums

Circle the correct numbers that add up to the target values on the sides of rows, columns, and regions.
Use the toggle to switch between circling (select) and erasing modes. This helps you mark the right numbers and remove extras.
Each level has only one possible solution. Ensure all rows, columns, and colored regions work together simultaneously.
Learn addition with this free number puzzle featuring various difficulty levels. Boards range from 3x3 to 10x10.

Tips for Solving

Erase numbers on the board that are greater than the target totals in the boxes.
If a row or column contains only one odd number, and the target sum is even, remove that odd number.
If the largest number on the board doesn't match the total outside, add the smallest number to it. If the resulting sum exceeds the box value, erase the largest number.

Features

Tons of challenging number puzzles for brain training and math improvement.
Enjoy a minimalistic and simple design.
Useful hints provided when you're stuck.
No time limits—take your time to find the unique solution in each educational puzzle.

If you enjoy addictive games like Number Match or Kakuro, take a break with Number Sums. Play anywhere, anytime to practice math and logic!