# Questions tagged [matches]

A puzzle from 2-dimensional or 3-dimensional geometry centered around matchsticks.

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3k views

### Ummm what day was it, a matchstick puzzle

XXIII ------- = II VII All you need to do is move one matchstick from the roman numerals to make the equation true.
13k views

### What is the largest number you can create with 0000 by moving only two sticks?

Here's what I'm saying Moving 2 sticks, what is the largest number that you can create?
10k views

### Turning a goat?

This is a goat made up of 5 sticks. You have to move (change position) any one stick of them such that its head turns to the right side (above the right leg). Notice currently its head is on the left ...
1k views

### Touching Matchsticks

You are asked to place matchsticks on a flat surface such that each matchstick end meets three others, and no matches cross. It is easy to achieve this for patterns that extend indefintely: The ...
2k views

### Turning a dog (Part 2) [closed]

Here is Mr. Dog, friend of Mrs. Goat. Move only two matchsticks such that Mr. Dog's head faces the opposite direction, i.e. to the right side. This is Part 2 of turning the animal series. See Part 1 -...
16k views

### Don't settle for a billion [duplicate]

While Artur is willing to settle for a billion, I'd like a much bigger return on my two matchstick investment. Moving only two matchsticks, what is the largest number that can be created from the ...
5k views

### Billion Matchsticks

A little twist on the "move the matchsticks" puzzle. I placed a bunch of matchsticks on my kitchen table and formed a number with them (6,111,100). I am asking, how can you move just two matchsticks, ...
2k views

### Touching matchsticks with compass and straightedge

The question Touching Matchsticks asked for the smallest matchstick graph where every node is connected to four distinct edges. The Harborth Graph is the smallest such, with 104 edges connecting 52 ...
2k views

### Move matches and make largest possible number

a) Move three matches to make the largest possible number. b) Do so moving four matches.
451 views

### Turning the Horse Part 3

Here's the sequel to Turning the Goat Part 1 and Turning the Dog Part 2 As Hobble the horse stood on the hillside staring at the hurdle below, he wondered if he would ever have the courage and ...
4k views

### Move a single match to make this expression true

Move a single match to make the following expression true: So far I've found 6 valid solutions, can you find all 6? (or more!) Edit: Lots of great, creative answers! All 6 I found are represented ...
301 views

### Moving matches to produce largest possible number

MarĆ­a LucĆ­a UribeĀ“s recent match-moving puzzle (Move matches and make largest possible number) begs for the following matter to be settled once and for all. If each of the numbers from 100 to 999 is ...