08 February 2016

331. Move 3 to fix the equation

Easy Medium Hard Extreme


The equation 7/9 = 3 is not true. Move 3 matchsticks to make it true.

Show Answer

The square root of 9 is 3.

Hide Answer

07 February 2016

330. Move 2 to create 4 triangles

Easy Medium Hard Extreme


Move 2 matchsticks to create 4 triangles all equal in size.

06 February 2016

329. Move 2 to create 10 squares

Easy Medium Hard Extreme


Move 2 matchsticks to create 10 squares. All the squares don't have to be equal in size.

Show Answer

Don't miss the 2 squares of size 2X2.

Hide Answer

31 January 2016

328. Move 1 to create 4

Easy Medium Hard Extreme


Move only 1 matchstick to create 4.

Show Answer

Solution 1 is the better solution.

Hide Answer

30 January 2016

327. Triangles to no triangles

Easy Medium Hard Extreme


How many matchsticks must be removed from the above leaving no triangles?

Show Answer

The number of matchsticks to be removed is 10.

Hide Answer

24 January 2016

326. Numerical: 14 plus 7 minus 4 is not 11

Easy Medium Hard Extreme


The above equation is not true. Move only 3 matchsticks to make it true.

23 January 2016

325. Rectangle 5X2: Remove 3 leaving 7 squares

Easy Medium Hard Extreme


There is a total of 14 squares in the layout above - 10 squares of size 1X1 and 4 of size 2X2. Make sure you agree with this.

By removing only 3 matchsticks the number of squares must be reduced to 7. Which 3 matchsticks would you remove?

22 January 2016

324. Triangle 3X3: Remove 6 leaving 5 triangles

Easy Medium Hard Extreme


Remove 6 matchsticks to leave only 5 triangles. The triangles must all be equal in size.

Show Answer

There are also other solutions.

Hide Answer

17 January 2016

323. Move 1 to create 2 squares

Easy Medium Hard Extreme


This puzzle is similar to but different from number 276.

Move 1 matchstick to create 2 squares. The 2 squares don't have to be equal in size.

16 January 2016

322. Move 4 to create 11 squares

Easy Medium Hard Extreme


Move 4 matchsticks to create exactly 11 squares. All the squares don't have to be equal in size and and also don't have to be flat on the surface.

10 January 2016

321. Divide the triangle

Easy Medium Hard Extreme


Add 3 matchsticks to the figure above to divide the triangle into 3 shapes. The sizes of the shapes must have a ratio 4:3:2.

09 January 2016

320. Mathematical: Move 2 and statement is still true

Easy Medium Hard Extreme


The above statement is true. Move 2 matchsticks so that it is still true.

08 January 2016

319. Move 6 to create 17 squares

Easy Medium Hard Extreme


Move 6 matchsticks to create 17 squares. All the squares don't have to be equal in size and all the matchsticks don't have to be flat on the surface.

Show Answer

There are 12 squares of size 1/2 X 1/2 and 5 squares of size 1 X 1. Don't miss squares ABDC and EFGH!

Hide Answer

03 January 2016

318. Move 3 to create 3 triangles

Easy Medium Hard Extreme


Move 3 matchsticks to create 3 triangles. The 3 triangles must be equal in size.

02 January 2016

317. Move 2 to create 6 triangles

Easy Medium Hard Extreme


Move 2 matchsticks to create 6 triangles. The triangles must all be equal in size.

31 December 2015

316. Square 3X3: Remove 6 leaving 3 squares

Easy Medium Hard Extreme


Remove 6 matchsticks to leave only 3 squares. The 3 squares must all be different in size.

30 December 2015

315. Letters to structures

Easy Medium Hard Extreme


In each row the letter to the left of the arrow converts to the structure to the right. What should the structure of the "?" look like in the last row?

Show Answer

The matchsticks on the lower half of each letter are flipped vertically.

Hide Answer

29 December 2015

314. Roman numerals: 5 plus 5 is not equal to 9

Easy Medium Hard Extreme


5 plus 5 is not equal to 9, but move 4 matchsticks to make the equation true.

28 December 2015

313. Rectangle 4X2: Move 3 to create 6 squares

Easy Medium Hard Extreme


There are 11 squares in the figure above; 3 of size 2X2 and 8 of size 1X1.

Move only 3 matchsticks to create 6 squares, all equal in size.

Show Answer

There are also other solutions

Hide Answer

27 December 2015

312. Move 8 to form 10 squares

Easy Medium Hard Extreme


Move 8 matchsticks to form 10 squares. Your solution must have squares of sizes 4X4, 3X3, 2X2 and 1X1.

20 December 2015

311. Roman numerals: 10 plus 10 is not equal to 5

Easy Medium Hard Extreme


10 plus 10 is not equal to 5, but move only 3 sticks to make the equation true. Your answer must still be in Roman numerals.

18 December 2015

310. Move 4 to create 6 squares

Easy Medium Hard Extreme


Move 4 matchsticks to create 6 squares. All the squares don't have to be equal in size.

Show Answer

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

Hide Answer

16 December 2015

309. All the parallelograms

Easy Medium Hard Extreme


There are 5 parallelograms in the figure above.

Move 3 matchsticks to create 15 parallelograms.

Show Answer

The 15 parallelograms are:

4 of size ½X1:
ADEB, DIHE, BEFC, EHGF

5 of size 1X1:
AIHB, BHGC, JQPK, KPOL, LONM

2 of size ½X2:
ADFC, DIGF

3 of size 2X1:
AIGC, JQOL, KPNM

1 of size 3X1:
JQNM

Hide Answer

13 December 2015

308. Reduce the cubes

Easy Medium Hard Extreme


There are 4 cubes in the figure above. Confirm that you agree.

Move only 1 matchstick to reduce the number of cubes to 3.

12 December 2015

307. Move 4 to create 4 triangles

Easy Medium Hard Extreme


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

Show Answer

There are also other solutions.

Hide Answer