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Questions tagged [matches]

A puzzle from 2-dimensional or 3-dimensional geometry centered around matchsticks, often involving moving, adding, or removing some to achieve some defined goal.

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5 votes
3 answers
1k views

Turn it into a city [closed]

Move exactly 2 matchsticks to turn this number into a city
RogerA's user avatar
  • 6,627
1 vote
2 answers
1k views

Move one matchstick to create a three-letter word

On a table, you have several matchsticks as arranged below. Your objective is to move a single matchstick to create a three-letter word. Which matchstick do you move, and how do you move it?
Blue Herring's user avatar
  • 1,493
12 votes
15 answers
4k views

Turn 1111 into zero [closed]

Draw exactly two non-touching straight lines to turn 1111 (as shown below) into zero. Note: A minus sign is one line
RogerA's user avatar
  • 6,627
4 votes
3 answers
1k views

an esoteric matchbox

Seeing a vast repository of matchstick puzzles, Professor Moriarty determined to create one of his own. Behold, his greatest crime yet, the best and worst matches puzzle to ever grace this earth with ...
ᵍʰᗣˢᵗ's user avatar
13 votes
11 answers
3k views

Move exactly two matches to make the two sides equal

Use some creative thinking to make the equation below correct. You must move 2 matches. You cannot alter/modify the = sign. You cannot remove any matches or put one over another match (to make 2 ...
RogerA's user avatar
  • 6,627
11 votes
1 answer
886 views

Odd solutions are in 3d

This puzzle is part of the Monthly Topic Challenge #11: Now in 3D. You are given a collection of sticks which are straight lines of length 1. Two such sticks can be attached to each other at their end ...
quarague's user avatar
  • 1,863
15 votes
1 answer
2k views

Add 3 matches to make 6 squares

This puzzle appeared at the UQ Mobile store at Shibuya Scramble Square: マッチ棒でできた六角形にマッチ棒を 3本追加して正方形を6つ作りなさい Add 3 matches to this (a regular hexagon made out of 6 matches) to produce 6 squares. No ...
Parcly Taxel's user avatar
  • 7,720
2 votes
4 answers
1k views

Matchstick Puzzle: 6758-267=3519

Move exactly 3 matches to correct the equation. Reads 6758-267=3519 There are no spaces, just some room for possible matches. In the end we ignore all spaces. Digits that are not seperated by a plus, ...
Bitterblue's user avatar
0 votes
2 answers
171 views

Add a line and fix the typo

My dad has invented a new puzzle genre called “add a line and fix the typo”, but due to his senility I can’t be 100% sure this was a deliberate effort on his part. Last week he showed me a puzzle and ...
happystar's user avatar
  • 7,664
4 votes
6 answers
773 views

Use 12 unit length matchsticks to enclose a region whose area is 4 square units [closed]

I do not know the original source of this problem; I have seen it a few places. The solution that I have seen is not pretty in the sense that it lacks symmetry. Can you find an elegant solution? Of ...
Will.Octagon.Gibson's user avatar
4 votes
2 answers
406 views

Number to Country Conversion

Move 3 matchsticks from the number 808 to form the name of a country
chandanr777 's user avatar
4 votes
3 answers
603 views

Move two matches so that no triangle remains [closed]

This puzzle comes from Nobuyuki Yoshigahara. Move two matches so that no triangle remains. There are at least five different solutions. How many solutions can you find? You can’t burn the matches. ...
Will.Octagon.Gibson's user avatar
0 votes
2 answers
341 views

Make 65-57=91 correct by moving one matchstick [closed]

65 - 57 = 91 Not sure how to make this correct by only moving one matchstick.
user avatar
-1 votes
7 answers
250 views

The smallest and the largest number [closed]

Shown below is number 10 formed with 5 sticks. 1 Move exactly 1 stick to get the smallest non-zero positive number. 2 Move exactly 1 stick to get the largest non zero positive number. Some creative ...
DrD's user avatar
  • 39.3k
6 votes
4 answers
869 views

Paris and Wife Matchstick

Here are two matches dates that I hold with love in my heart: The current sum is 1970 + 1997 = 3967. You must requisition at most 10 matches so that the sum is "as big as possible". We will ...
JKHA's user avatar
  • 6,033
6 votes
3 answers
1k views

This is... to me! (Matches Puzzle)

Make these two "equivalent" equations true by simply moving (changing the position of) exactly three lines (per equation). The equations are two different representations of the same (what I ...
Prim3numbah's user avatar
  • 35.7k
3 votes
12 answers
2k views

This is taking too long! [closed]

Move two lines to make the equation true. As always, no inequality symbol (≠), adding, and subtracting lines. Move the lines only. Hint 1: Hint 2:
IsaacRoan Sison's user avatar
4 votes
1 answer
197 views

Another Matchstick riddle(not puzzle)

Here are the rules in order to manipulate the matchsticks: You are required to move exactly 3 matchsticks. You may rotate any whole symbol(circled in blue)or number as many times as required. Most ...
Akshaya Gunnam's user avatar
9 votes
1 answer
367 views

Matchstick Riddle

Disclaimer: This is a matchstick riddle, not puzzle. Oh, and everything is a clue. Only enter an answer if: it is original. Then, you can release the answer you think it is.
Akshaya Gunnam's user avatar
-1 votes
1 answer
119 views

What are all the possible transitions between matchstick numbers?

If these are all the matchstick numbers: ...
PuzzlingFerret's user avatar
8 votes
13 answers
4k views

Yet another matchstick puzzle: 14 = 5 [closed]

Is the expression below correct? No. But I never take no for an answer. Your task is to make the expression true by moving exactly two matchsticks. As usual, inequalities are not allowed. So is ...
Florian F's user avatar
  • 30.6k
3 votes
6 answers
777 views

Play with matchsticks

By moving only 1 matchstick make the equation correct (not equal and > and < are not allowed).
Marzieh Mousavi's user avatar
22 votes
3 answers
1k views

Complex Matchstick puzzle

This is my toughest invention so far, not sure if it's already been done but here it goes. Move a single stick to obtain a correct equality. (To be clear: the stick needs to be moved and placed down ...
Bogdan Alexandru's user avatar
13 votes
10 answers
3k views

A simple Matchstick puzzle [closed]

Here is a simple matchstick puzzle. Some creative thinking may be needed. Make the equation below correct by moving only one matchstick. The use of > or < or not equal to is not allowed. You can'...
DrD's user avatar
  • 39.3k
13 votes
2 answers
723 views

You don't want to sell me matchsticks

Fix the image before completing the sequence. What do I want you to draw your attention to? 103, 91, 79, 0, x, x, 28, x, x, x, 0, 78, x, x, x, x, x, x, 5 Hints:
Lukas Rotter's user avatar
  • 10.3k
18 votes
3 answers
2k views

A cinematic masterpiece in matchsticks

Polanski's magnificent Chinatown (my all-time fourth favourite film) was produced among numerous other movies by Robert Evans, the second anniversary of whose death is today1. What better excuse for a ...
Anon's user avatar
  • 5,430
11 votes
6 answers
1k views

Matchstick Puzzle 4971 [closed]

Rewriting the puzzle in text: Move exactly 2 matchsticks to make this equality true: 4 + 9 - 7 = 1 Important Points: By the word 'move', I would also like to allow the possibility of 'remove', to ...
VedantBang's user avatar
10 votes
5 answers
2k views

Minimize 1×3 tiles on a 5×5 table to block any more 1×3 tiles

What is the minimum number of 1×3 tiles that can be put on a 5×5 table so that no more 1×3 tiles can be put on it? Borders of a tiles are parallel to sides of the table. It is 5 but I can not prove ...
nonuser's user avatar
  • 890
15 votes
4 answers
3k views

How many matchsticks need to be removed so there are no equilateral triangles?

The puzzle is as follows [with minor copy edits for grammar]: By only using matchsticks of equal length a set of equilateral triangles has been built as indicated in the figure from below. With that ...
Chris Steinbeck Bell's user avatar
3 votes
2 answers
603 views

Matches to move in order to get right roman numeral over fifty

The riddle is as follows: The figure from below represents a set of roman numerals wrote in such a way that the sum is not correct. The numbers are arranged as: 50+12=51 How many matches minimum ...
Chris Steinbeck Bell's user avatar
0 votes
6 answers
515 views

Move 3 matches to maximize triangles

The problem is as follows: The figure from below shows 9 matches. If only 3 of them are changed from their positions, then what is the most number of triangles that can be made? The alternatives ...
Chris Steinbeck Bell's user avatar
4 votes
6 answers
3k views

Move 2 matchsticks to make the equation correct, and give 3 ways to do so

I am trying to solve the following matchsticks puzzle: Move two matches to make the following correct: You also have to give 3 ways to do so. Despite trying my best to solve this, I wasn't able to ...
Pilot's user avatar
  • 879
5 votes
5 answers
1k views

Matchsticks: Fix the Equation

Here's a simple puzzle I just created: Move just one matchstick to fix the next equation:
Pspl's user avatar
  • 2,272
5 votes
11 answers
2k views

Matchstick Problem: Turn 1 into 12 by removing a matchstick [closed]

Below are some matchsticks arranged to display an expression. Your task is to remove one matchstick so that the resulting value of the expression will be twelve.
risky mysteries's user avatar
4 votes
2 answers
203 views

How many steps for matchstick-Lychrel numbers?

The Lychrel number is famous in the recreational mathematics. The process about the Lychrel numbers reverses arrangement of the previous number. Mimicking Lychrel numbers, I would like to devise ...
P.-S. Park's user avatar
  • 4,219
9 votes
7 answers
2k views

Matchstick rearrangement: Zero to Hero

Below is an expression that has a value of 0. How can you move only three matchsticks for the resulting value to be 49?
risky mysteries's user avatar
5 votes
2 answers
1k views

Move just one match

Make a correct equation by just moving one matchstick! This is the source. Spoiler--source reveals answer.
user avatar
4 votes
3 answers
1k views

Moving matches to produce largest possible number

María Lucía Uribe´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 ...
Bernardo Recamán Santos's user avatar
7 votes
11 answers
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.
María Lucía Uribe's user avatar
3 votes
3 answers
850 views

Matchstick puzzle that may or may not have a solution

Can you find a solution by only changing (moving) one stick? From my point of view I think I systematically exhausted all possible configs and I couldn't find a solution, so I think there is no ...
jahly's user avatar
  • 71
6 votes
7 answers
1k views

Math-stick problem [closed]

Here are 6 matchsticks. You should rearrange them, to make nothing But you should not waste or get other matchsticks
math scat's user avatar
  • 1,137
12 votes
2 answers
575 views

What was Matt's matchstick puzzle?

Something rather funny happened at our Puzzlers' meet the other day. "Oh hey buddy, can you hand me exactly 18 matchsticks? I wanna show you this new matchstick puzzle I came up with." Matt ...
Ankoganit's user avatar
  • 19.6k
39 votes
7 answers
7k views

9-5=5? Matchstick problem

Move one matchstick to make an equality. Question made by me (Is this too easy?)
Culver Kwan's user avatar
  • 5,934
9 votes
5 answers
733 views

Move just 2 matchsticks to make three equally sized triangles

There are 9 equally sized matchsticks, move 2 to make 3 equal triangles
row666's user avatar
  • 107
4 votes
10 answers
856 views

Matchsticks 9 + 9 = 8 [closed]

You are given the wrong equation (made out of matchsticks) 9 + 9 = 8 and you can move at most 3 matches. Your aim is to find all possible correct equations. Selected answer will be one that discovers ...
JKHA's user avatar
  • 6,033
6 votes
5 answers
287 views

Move two matches (no [lateral-thinking])

Move two matches to make the following equation correct: Despite it commonly applying to puzzles of this kind, there is no [lateral-thinking] tag here, so no spelling out numbers, no turning the ...
Roman Odaisky's user avatar
28 votes
7 answers
6k views

Unexpectedly Difficult Matchstick Problem

The words say: 听说只有智商高达200的人才有办法打出来 (only people with 200 iq can solve this). 只移动1根火柴让算式成立 (move only one match to satisfy the equation) note: it is not my puzzle and i do not know the solution
Kyle He's user avatar
  • 449
18 votes
1 answer
762 views

Which number is next? [closed]

Which number will be in the next Box? *Just do not triffle that the numbers are in lighting match format.
Alper91's user avatar
  • 535
8 votes
7 answers
6k views

6+8=71 move two matches

How can I make this equation true by moving two matches? It's in a game "Smart Puzzles" - it's called Matches, and there are about 13 different games in it. Additional images - my attempts
Ryan Bush's user avatar
-1 votes
1 answer
270 views

Matchstick Puzzle [closed]

Move two matchsticks to make 2 E's. (The Matchsticks cannot be stacked onto each other).
Bipsin's user avatar
  • 1