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2 cards from this section. Quick, good the night before a test.
List 5 square numbers.
Think of the squares of the numbers from 1 to 5.
Can the number 30 be a square number?
Check the digits square numbers can end with.
Which of the following numbers is a square number?
Check the squares of the integers.
True or False: All square numbers end with an even number of digits.
Consider non-zero-ended square numbers.
If n^2 represents square numbers and you're given n = 10, what's the square? How does it relate to even numbers?
Calculate n multiplied by itself.
A gardener notices squares of areas ending in certain digits. If he knows the digits can’t be 2, 3, 7, or 8, how would he validate his findings?
Only square numbers yield those digits; analyze each number's units.
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