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2 cards from this section. Quick, good the night before a test.
Find the square of 15 using the pattern discussed.
Remember to apply the unit digit pattern.
What is the square of 65?
Use the same formula for computation.
What will be the last two digits of the square of any number ending in 5?
Think about the properties of square numbers.
True or False: All square numbers end with the digits 2, 3, 7, or 8.
Recollect the unit digits for squares.
Find the square of 95 and explain how you arrived at your answer.
Use the pattern discussed in the section.
If a number ends with digit 5, can its square ever end with any other digit? Validate your answer with examples.
Think of several examples.
4 more questions in this section. Enroll free to practise them all.
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