# Questions tagged [matches]

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

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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?
9k 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 ...
38k views

### Make a square with matchsticks!

After the previous mat(c)h-stick puzzle, this one is relatively old. Move only one matchstick to make a square.
22k views

### Make 37+32=55 correct by moving one match

Move $1$ match and make this correct. Rules: (added 8/23/2018 based on clarifications in comments) You can't break the match. You can't make an inequality sign, just change numbers and/or operators.
3k views

### An animal out of matchsticks

Ok, I widely failed my two latest matchsticks puzzles, so here's another attempt, part of the 22nd Fortnightly Topic Challenge. As you can see, you have in front of you eleven matchsticks forming the ...
6k views

### Four matchsticks puzzle

Take 4 matchsticks and set them out in this pattern: VII In mathematics this is 7 in Roman numerals. Now move just a single matchstick and the answer should be 1 (one).
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

### 180 degree rotation matchstick equality

Several matchstick digits are still digits when rotated by 180 degrees: Note that 2 is rotated to 2. Thus, we can make a matchstick arithmetic expression which is valid when rotated 180 degrees. For ...
1k 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 ...
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 ...
3k views

### Yet another matchstick puzzle

Inspired by this post, here there is my attempt at a matches' puzzle. The expression 1 = 850 - 9 - 6 is obviously wrong: move exactly three matches to obtain a correct expression. Rules are: This ...
2k views

### Another simple matchstick puzzle

Seems like there's been lots of matchstick puzzles lately, so here's my take on it Move one matchstick to make the equality right. EDIT: There are a lot of creative answers, some good, and some ...
7k views

### Move only 2 matchsticks to find the equality

Just move two matchsticks to find the equality in the equation below: Note: There are two reasonable answers.
2k views

### Another Matchstick (cotton swab) puzzle

Here is another Matchstick puzzle. May be you have seen it. I have used Cotton Swabs in my picture below. I have used a digital display. ORIGINAL: 23 x 1 = 91 By moving THREE or less swabs make ...
2k views

### Matchstick Puzzles

Puzzle #1: There is a matchstick: | Add 2 more matchsticks to make the number, 11. Puzzle #2: There is a palace made out of 11 matchsticks: Move 2 matchsticks to make 11 squares. Puzzle #3: ...
7k views

### Matchstick Puzzle from Jojo's Bizarre Adventure

Here's a puzzle from Jojo's Bizarre Adventure Part 6: Stone Ocean. Let me jojog your memory, it's from chapter 673. Any takers? Edit: Since there was an official answer found, I have marked that one ...
2k views

### Correct the equation by moving $1$ match stick [duplicate]

Since $23$ and $7$ both are primes, so I am try to make $23$ to $14$ by moving only one match stick. But I am unable to do this. Any hints will be appreciated. Here note that the line divided by ...
239 views

### Three sticks, three squares

There are 5 squares in this puzzle as shown in picture we have to pick only three match sticks resulting formation of exactly 3 squares. which numbers of sticks should be removed from the formation ...
1k views

### Matchstick Squares

Twenty-four matchsticks are used to create a 3 x 3 grid. Can you remove eight matchsticks from the configuration so that you are left with two squares that do not touch each other?
1k views

### Back to Matchsticks (cotton swabs)

A Matchstick puzzle with a twist. Make the following equation right by moving 3 or less cotton swabs. CX = LIII + V It is in Roman Numerals. Final equation must be in Roman Numerals. ...
552 views

### Find the next number in this sequence?

Well I have tried a few moves but don't get anywhere! The second number is the first by removing the bottom left stick. Also the fourth is the third by moving also the bottom left stick to the right. ...
513 views

### Expected number of squares in a 20x10 grid with 1% chance of removing each edge

Suppose I make a 20x10 grid out of match sticks, using 21 columns of 10 match sticks and 11 rows of 20 match sticks: ...
3k views

### A Matchstick puzzle with a little twist

Here is a matchstick puzzle with TWO (possibly more) solutions. There are two types of matchsticks. 1 Short (eight and = sign) Total 9 2 Long ( All ones) Total 4 Please move 3 matchsticks and ...
3k 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 ...
939 views

### Matchstick puzzle with roman numerals

I got a puzzle from a book that asks to move one matchstick to get a valid equation. My "solutions" feels like cheating... Does anyone have a good idea? The original equation, layed out with matches, ...
903 views

### Matchsticks for lengths

You have been invited to an $n$-dimensional universe, where $n$ is an integer greater than $1$. Here, matchsticks are idealised lines of unit length, and they can pass through each other. They want ...
5k views

### Make 4 congruent equilateral triangles with 6 matches in 2 dimensions [closed]

How would you make exactly four congruent equilateral triangles with just six matches of equal length in two dimensions? No other triangles may be created when you are done. Matches may not be bent, ...
2k 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.
750 views

### Matchstick puzzle next version

Here is a matchstick equation which is obviously wrong. 18019=1 Make the equation correct by moving "fewest" matchsticks (my solution involves 3 moves). You may use numbers, letters, Roman ...
2k views

### Move just 1 match stick to make the 2 equations right

Move just 1 match to new position to make these 2 equations right.
390 views

### Ten matches on a table

Ten matches lay on a table and look like this: "XI+I=X". They create a correct equality. What is this equality? (Write it in arabic numeral system in your answer).
271 views

### Matchstick puzzle with DOTS (points)

Here is a Matchstick equation using Matchsticks as well as Points (dots). Matchsticks and dots can be moved. By moving only 1 Dot and 1 Matchstick make the equation equal. No inequality or > or <...
606 views

### Smallest number of matchsticks for a 3D structure with 6 matchsticks at each vertex

Make an as small as possible three dimensional structure of matchsticks, all of which have equal length, such that the end of each matchstick meets exactly five other ends. A matchstick is not allowed ...
652 views

### A matchstick game

On the table there is a $9\times9$ grid made of matchsticks, so that each of the $81$ little squares is bordered by exactly four matchsticks. Alice and Bob play the following game. Alice and Bob move ...
1k views

### How many matches can you fit? [closed]

I have a board with some matches on it, in the shape of a number. By adding one match, you make a larger number appear than before. By adding a second match, you make it smaller. By adding a third ...
3k views

### 5008 out of the box

So I came across this puzzle somewhere: And the intended answer to it was: But that's pretty much straight forward. Thinking out of the box you can get a lot bigger "numbers" (values), for example: ...
254 views

### Self-describing matchstick number

The word "SIX" can be spelled with six matchsticks (if you'll forgive my "S"). What is the next whole number n that can be spelled (in English, in all capital letters) with exactly n matchsticks? ...
2k views

### What is the minimum number of matchsticks that you can use to build expressions having the following results?

Instructions You have a bag containing infinite number of matchsticks all having the same cuboidal shape and size. Digits can be made using these matchsticks: $0$ takes 6 matchsticks $1$ takes 2 ...
328 views

### Seven Matches Digits

a) Remove some of the match sticks from the above 2 x 2 x 1 surface grid to reveal the figures below. Rotation, flipping, segment sharing are allowed. b) Place some match sticks on the above 1 x 1 x ...
499 views

### The Battle of Puzzlings

I present to you... The Battle of Puzzlings Your task is to turn 'one' into a letter representation of 1066 (the year of the Battle of Hastings): Rules Fewest moves wins. All matches must be used. ...
13k views

### Out of Glass Puzzle (MatchStick Puzzle)

The object is to move 2 matches to get the bluebottle to fly outside the glass. At the finish, the glass may be turned in any direction, but it must be exactly the same shape as before.
383 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 ...
195 views

### Two Fuses Burn for 45 Minutes [duplicate]

You have two pieces of delay fuse. One burns for 1 hour and the other burns for 30 minutes. Without a watch, clock, or timepiece at all... can you beyond any shadow of a doubt tell me when 45 minutes ...
1k views

### Can you solve the following equation by moving exactly 3 matchsticks? [closed]

If yes, how? (every line is a matchstick)+--------- | | | +---------+ | | | | | | | | | ...
457 views

### Back to the Matchsticks Version 3

We start with 1=850-4-3 as the cotton swab equation, incorrect of course. By moving 3 swabs or less create a correct equation. It is a standard digital display. You may use numbers, roman numerals ...
278 views

### Find seven points so any three contain two of distance one

Choose 7 distinct points in the Euclidean plane so that among any 3 of those points, there are (at least) 2 that are a distance of exactly 1 apart.
726 views

### Arrange matchsticks so that

Your challenge is to arrange matchsticks to make a pattern. Matchsticks are all the same length and cannot be broken. These are geometric arrangements: Make 4 triangles using 6 sticks. Make 3 X's ...