Middle School Madness

Weekly problems for middle school students ready for a challenge. These puzzles enhance logical thinking and make math exciting and rewarding.

Guess what number I am.  I am a three-digit number less than 400.  My ten’s digit is greater than my hundred’s digit.  My one’s digit is three times greater than my hundred’s digit.  My ten’s digit is the difference between the hundreds digit and ones digit. The hundreds digit is an odd prime number.  All of my digits are different.  What three-digit number am I?

 


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