# numbers

## Math Snake: Find the calculation Part 1

Let us start with an example to show the logic behind the exercises. Find the calculation that uses all cells of the honey comb field and has the final result of 5. In the example honey comp field multiple mathematicalRead More »Math Snake: Find the calculation Part 1

## Math Sudoku more than just logic

The classic Sudoku tasks have little to do with arithmetic, even if the numbers 1 to 9 used in the exercises. Ultimately, it’s all about distributing the numbers across the rows and columns according to the rules. Well-known are theRead More »Math Sudoku more than just logic

## Remove Digits – Part 1

Remove in every calculation some digit to make the equation correct. Sample puzzle for demonstration Check the following calculation. The left side do not match the result on the right side. Remove three digits from the left side in oderRead More »Remove Digits – Part 1

## Math Puzzle – Part 1

Puzzles provide a mental challenge that can be both enjoyable and rewarding. They require problem-solving skills, logical reasoning, and critical thinking, which can help keep the mind sharp.Regularly engaging in puzzle-solving activities has been linked to various cognitive benefits, includingRead More »Math Puzzle – Part 1

## Brain Teasers with Networks and Graphs

Networks are the theoretical foundations of many models that we use in everyday life. Examples are street maps or the map of the subway in every major city. The aim is usually to keep these networks clear by visualizing themRead More »Brain Teasers with Networks and Graphs

## Calculate better with Roman Numerals

Brain teaser with the help of the ancient Roman numerals Our decimal number system with arabic numerals has many advantages. It makes the math pretty easy. But there were and are other types of number systems. The Roman number systemRead More »Calculate better with Roman Numerals

## Mathemechanic – App-Review

This is the start of our new series: We will review and present all sort of apps, websites and applications that will help you to train your brain and make smarter. For today we start with an app that offersRead More »Mathemechanic – App-Review

## Sudoku 1on1 – Do not play alone

A lot of people like sudoku and some of the are really addicted to that kind of brainteasers. The rules are easy to lean and some of the exercises can bend our mind…But normally, on paper, you play sudoku alone on yourRead More »Sudoku 1on1 – Do not play alone

## Try BrainBrix – Brainteaser

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You like Sudoku? You have to try BrainBrix. The exercises have their own rules: In every comb style group, each digit from 1 to 7 must appear only once. Sounds easy? Yes, but the tricky part: The combs overlap eachRead More »Try BrainBrix – Brainteaser