| Easy | Medium | Hard | Extreme |
Another easy one, but can you solve it within 10 seconds?
Move 2 matchsticks to create 2 equal squares.
15 May 2021
636. Move two to create two squares
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.
Solution 1: One is equal to the square root of one.
Solution 2: Eleven is equal to Roman numeral eleven.
Solution 2: Eleven is equal to Roman numeral eleven.
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.
10 May 2021
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.
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.
23 March 2019
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.
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.
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