A palindrome is a word, phrase, sentence or number that can be read from left to right or right to left and are exactly the same. Some examples of palindromes are: mom, noon, race car, 1991 and 2002.
So here comes part of the fun. How many different palindromes are found on a digital clock (in a 12 hour time frame)? Please no “military time” although that might add some interest to the problem! Most of the students figured this out as 4th graders. HINT: Be sure to look for patterns and use an organized list.
Number Sense: Ask your child what he or she knows about this number: 1,005. Ask your child to explain how they know. Be careful…the word digital root or composite/prime number might surface!
What might that number represent in the real world. Examples: Approximate distance to Disneyland from Deer Park, the population of a middle size town, …
Posted on November 5th, 2008 by palanib
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