Volume 32
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Palindrome Numbers
Builds math computation skills
Have students
What do you notice about the third sum you came up with? It is a palindrome! Challenge students to test this idea. Is it always the case? Do you always end up with a palindrome sum at the end of three computations that begin by adding palindromes?
Sample computation:
Start with 362.
Reverse the number to create its palindrome. (362 becomes 263.)
Add together the two numbers. (362 + 263 = 625)
Take the sum of the two numbers and add it to its palindrome. (625 + 526 = 1251)
Take the sum of those two numbers and add it to its palindrome. (1251 + 1521 = 2772).
Your third sum, 2772, is a palindrome!
Article by Gary Hopkins
Education World®
Copyright © 2004 Education World
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