skip to main content


Random Puzzles 


?

Puzzle 201 


all matchstick puzzles

Can you make this equation correct by moving exactly one matchstick?

5 + 5 = 4

Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:

Default Digits

Puzzle Copyright © Kevin Stone

workings hint answer print

??

Puzzle 202 


What number comes next in this sequence:

1 · 3 · 5 · 7 · 11 · ?

Puzzle Copyright © Kevin Stone

workings hint answer print

?

Puzzle 203 


Which is larger:

square inches in a piece of carpet 15 yards by 5 yards feet in a 20-mile walk

Puzzle Copyright © Kevin Stone

workings hint answer print

??

Puzzle 204 


What number comes next in this sequence:

914275 · 94275 · 9475 · 975 · ?

Puzzle Copyright © Kevin Stone

workings hint answer print