Middle School Madness

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

You write the numbers 0, 1, 2, 3, and 4 on separate pieces of paper.  You place the pieces of paper into a jar.  If you then draw one piece of paper out of the jar at random followed by a second piece of paper without replacement, what is the probability that the sum of the two numbers on the pieces of paper will be a prime number?  Write your probability as a decimal.


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