15 May 2021

636. Move two to create two squares

Easy Medium Hard Extreme


Another easy one, but can you solve it within 10 seconds?

Move 2 matchsticks to create 2 equal squares.

14 May 2021

635. Two is not equal to six

Easy Medium Hard Extreme


Two is not equal to six, but move only ONE matchstick to make the equation true. You may not change the equal (=) sign.

Show Answer

Solution 1: One is equal to the square root of one.
Solution 2: Eleven is equal to Roman numeral eleven.

Hide Answer

12 May 2021

634. Triangle reduced to 4 square units

Easy Medium Hard Extreme


If the length of 1 matchstick is 1 unit, the area of the triangle is:
= 1/2 X 4 X 3
= 6 square units

Move 3 matchsticks to reduce the area to 4 square units.

07 May 2021

632. Move two to create two squares

Easy Medium Hard Extreme


Can you solve this puzzle within ten seconds?

Move 2 matchsticks to create 2 unequal squares.

06 May 2021

631. Mathematical: 4 plus 0 is not 0

Easy Medium Hard Extreme


MOVE 3 matchsticks to make the equation true.

There are two possible solutions. Getting one solution within 30 seconds makes you good and both within 1 minute is excellent.

Remember that no number is greater than 9 and negative numbers are not allowed. You also may not change the equal (=) sign to a not-equal.

05 May 2021

630. Triangle reduced to 5 square units

Easy Medium Hard Extreme


If the length of 1 matchstick is 1 unit, the area of the triangle is:
= 1/2 X 4 X 3
= 6 square units

Move 2 matchsticks to reduce the area to 5 square units.

04 May 2021

629. Remove four to leave no triangles

Easy Medium Hard Extreme


There are 10 triangles in the layout above, 8 small and 2 bigger ones (ACB en ADC).

REMOVE 4 matchsticks to leave no triangles.

03 May 2021

628. The kneeling man

Easy Medium Hard Extreme


A man is kneeling and facing the East. Move 2 matchsticks so that he is still kneeling, but now facing a different direction.

Moving his head also count as a move.

02 May 2021

627. The upside down CAT

Easy Medium Hard Extreme


Think out of the box with this one!

MOVE 2 matchsticks to change the 100 into an upside down cat.

01 May 2021

626. Create six equal squares

Easy Medium Hard Extreme


In the layout above are five squares equal in size. Note that matchstick 2 is placed in a straight, vertical line below matchstick 1.

MOVE 3 matchsticks to create 6 squares all equal in size.

Show Answer

The 6 squares are:
ABGC
MPQN
CGDO
PFEQ
GHJD
FKLE

Hide Answer

30 April 2021

625. Take away two

Easy Medium Hard Extreme


TAKE AWAY two matchsticks to form four squares equal in size.

29 April 2021

624. One minus one is not one

Easy Medium Hard Extreme


MOVE only two matchsticks to make the equation true. See if you can find more than two solutions.

You are not allowed to amend the equal sign (=).

28 April 2021

623. Four to three equal triangles

Easy Medium Hard Extreme


There are four equal triangles in the layout above. Move two matchsticks to create three equal triangles.

22 April 2021

622. The uncompleted square

Easy Medium Hard Extreme


Shown above are only two completed squares.

MOVE two matchsticks to form three squares. The squares may differ in size and do not have to be linked. All matchsticks must form part of a square.

20 April 2021

621. Divide into two parts

Easy Medium Hard Extreme


Add 3 matchsticks to the layout above to divide it into 2 parts equal in shape and size.

23 December 2019

620. Divide into two parts

Easy Medium Hard Extreme


Add 3 matchsticks to the layout above to divide it into 2 parts equal in shape and size.

15 February 2019

618. Mathematical: 4 minus 0 is not 5

Easy Medium Hard Extreme


ADD 3 matchsticks to make the equation true. Negative numbers are not allowed and no number is greater than 9.

02 February 2019

617. Change the matchstick heads

Easy Medium Hard Extreme


There are 4 vertical-, 4 horizontal- and 2 diagonal rows (diagonally from outer corner to corner) in the layout above. The matchstick heads in each row are encircled.

Rearrange the matchsticks to end with 6 matchstick heads in each row.

20 January 2019

616. Five to three squares

Easy Medium Hard Extreme


Move 4 matchsticks to create 3 squares. The squares may differ in size.

06 January 2019

615. Mathematical: 2 minus 2 is not 5

Easy Medium Hard Extreme


ADD 3 matchsticks to make the equation true. Negative numbers are not allowed and no number is greater than 9.

28 December 2018

614. Divide the shape

Easy Medium Hard Extreme


Add TWO matchsticks to the layout above to divide the area into two parts. The two parts must be equal in size and shape.

22 December 2018

613. Five to six squares

Easy Medium Hard Extreme


Move 4 matchsticks to create 6 squares. Squares may differ in size.

Show Answer

The four small squares are:
CLFE, LDGF, EFJH, FGKJ

The two big squares are:
ABGE, CDKH

Hide Answer

15 December 2018

612. Ship to Triangles

Easy Medium Hard Extreme


MOVE four matchsticks to convert the ship into eight triangles.

The triangles may differ in size and all matchsticks don't have to be flat on the surface.

Show Answer

4 big triangles:
ACH, BKD, CEJ, CJH

4 small triangles:
BCF, CDG, FKH, GJK

Hide Answer