The question: How can eleven matchsticks be rearranged to make nine (without taking any away)?

The solution: Click here!

Another question: Can you rearrange these three matchsticks to make nine?

Another solution: Click here!

Yet another question: How can nine matchsticks be rearranged to make ten?

Yet another solution: Click here!

The fourth question: Can you rearrange these five matchsticks to make fourteen?

The fourth solution: Click here!