A Perfect Match Puzzle - Solution
The Puzzle:
In this diagram 11 matches make 3 squares:
Your challenge is to move 3 matches to show 2 squares.
(Called "Connect 4" by Hasbro). Drives you crazy. We have many different versions, too.
Math Minute Game
How many mathematical operations can you solve under a minute???
Mathematics Playground
Kids Math Games Level III : Addition
中国儿童资源网
15 November 2012 at 17:24
good!