30 May 2015

254. Form the correct equation

Easy Medium Hard Extreme


The equation above is false, but move 3 sticks to make it true.

24 May 2015

253. Matchstick Nodes: Three sticks

Easy Medium Hard Extreme

In Figure A below 3 matchsticks are used to create a node total of 9. How would you rearrange the same 3 sticks to create a node total of 15?

Make sure to understand the definition of a "node" and all the general examples as displayed below.

Show Answer

The total of all the numbers in blue is 15.

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23 May 2015

252. Add 5 sticks to create 8 squares

Easy Medium Hard Extreme


Add 5 matchsticks to create 8 squares. The squares don't have to be equal in size.

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There are 6 squares of size 1X1 and 2 squares of size 2X2.

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17 May 2015

251. Convert the key into 5 squares

Easy Medium Hard Extreme


Move 6 matchsticks to create 5 squares. The rules when moving the sticks are:

1. The square on the far left of the figure must me left unchanged.
2. All the sticks don't have to be flat on the surface.
3. At least 3 of the 5 squares must be of the same size.
4. Each matchstick must be part of the side of a square.

09 May 2015

250. Small and big squares

Easy Medium Hard Extreme


Rearrange the 8 matchsticks above to form 5 squares. The squares don't have to be equal in size and all the sticks must be flat on the surface. You can assume that the length of a broken stick is exactly half the length of a normal stick.

02 May 2015

249. Move 3 to create 8 squares

Easy Medium Hard Extreme


Move 3 matchsticks to create 8 squares. All the squares don't have to be equal in size.

Show Answer

There are 6 squares of size 1X1 and 2 squares size 2X2.

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25 April 2015

248. Turn the snake into squares

Easy Medium Hard Extreme


Move 3 sticks to turn the snake into 2 squares. The squares don't have to be equal in size.

19 April 2015

247. Move 2 sticks to create 6 unequal triangles

Easy Medium Hard Extreme


Shown above are 6 triangles equal in size.

Move 2 sticks so that you still have 6 triangles, but now the triangles must NOT be all equal in size.

12 April 2015

246. Roman numerals: 10 plus 10 is not equal to 10

Easy Medium Hard Extreme


10 plus 10 is not equal to 10, but move only 2 sticks to make the equation true. Your answer must still be in Roman numerals.

05 April 2015

245. Move 4 creating 3 squares

Easy Medium Hard Extreme


There are 5 squares of the same size in the figure above.

Move 4 matchsticks to create only 3 squares. The squares don't have to be equal in size.

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There are also other solutions.

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01 April 2015

244. Square 5X5: count the squares

Easy Medium Hard Extreme


Only 4 matchsticks have been removed from the 5X5 square above. How many squares of any size can you find?

Show Answer

Squares of size 1X1 = 17
Squares of size 2X2 = 4
Squares of size 3X3 = 1
Squares of size 4X4 = 4
Squares of size 5X5 = 1

A total of 27 squares.

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29 March 2015

243. Route map: The hexagon

Easy Medium Hard Extreme


How many different routes can you identify to move from A to G? You may only move in the direction of the matchstick heads.

Show Answer

There are 11 routes:

1. A B E G
2. A B D E G
3. A B D G
4. A B D F G
5. A C D E G
6. A C F G
7. A C D F G
8. A C D G
9. A D F G
10. A D E G
11. A D G

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22 March 2015

242. Move 4 sticks to create 9 squares

Easy Medium Hard Extreme


Move 4 sticks to create 9 squares. The squares don't have to be equal in size.

Show Answer

There are 7 squares of size 1X1 and 2 squares of size 2X2.

There are also other solutions.

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07 March 2015

241. Value of ?

Easy Medium Hard Extreme


What should the value of "?" be to form a valid row?

Show Answer

The row consists of the upper sticks of the numbers 1 to 6 and the number 3 was missing.

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06 March 2015

240. Create 3 rhombuses from 3 triangles

Easy Medium Hard Extreme


Move 3 sticks to create 3 rhombuses.

01 March 2015

239. Move 6 and create 6 squares

Easy Medium Hard Extreme


Move 6 sticks to create 6 squares. Your answer must include square sizes 1X1, 2X2 and 3X3.

Show Answer

There are 4 squares of size 1X1, 1 square of size 2X2 and 1 square of size 3X3.

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22 February 2015

238. Square 3X3: Move 2 creating 7 squares

Easy Medium Hard Extreme


Move only 2 sticks to create 7 squares. The squares don't have to be equal in size.

Show Answer

There is 1 square of size 3X3, another one of size 2X2 and 5 of size 1X1

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21 February 2015

237. Move 4 to create 7 squares

Easy Medium Hard Extreme


There are 9 squares in total. Move 4 sticks to reduce the number of squares to 7. The squares in your answer don't have to be all equal in size.

14 February 2015

236. Africa

Easy Medium Hard Extreme


Add 2 sticks to divide the African continent into 2 regions equal in size. The 2 regions don't have to be the same shape.

07 February 2015

235. Move 2 creating 6 squares

Easy Medium Hard Extreme


Move 2 sticks to create 6 squares. The squares do not have to be equal in size.

Show Answer

Don't miss the square of size 2X2 matchsticks!

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31 January 2015

234. One equals Seven

Easy Medium Hard Extreme


One is not equal to seven, but can you move only ONE stick to make the equation true?

Show Answer

1 is equal to 1 to the 1st power.

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25 January 2015

233. Create 6 rhombuses

Easy Medium Hard Extreme


Shown in the figure are 7 triangles. Move 6 sticks to create 6 rhombuses (or diamonds). There should be NO triangles in your answer.

18 January 2015

232. Remove 6 leaving 3 equal squares

Easy Medium Hard Extreme


Remove exactly 6 sticks leaving 3 squares, all equal in size.

10 January 2015

231. Move 4 to create 7 squares

Easy Medium Hard Extreme


Move 4 matchsticks to create 7 squares. The squares don't have to be equal in size.

28 December 2014

230. Move 4 to form 5 squares

Easy Medium Hard Extreme


Move 4 sticks to form 5 squares. The squares don't have to be equal in size.

Show Answer

There are also other solutions.

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24 December 2014

229. The 23 matchsticks

Easy Medium Hard Extreme


There are exactly 23 sticks as shown in the puzzle.

Can you remove 1 stick so that the number 23 is still relevant and reflected with the remaining 22 sticks?

Show Answer

If you look closely at the heads of the matchsticks you will see that the digital number 23 is formed!

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