How to Round your Answer.
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This is a great video to help you understand how to correctly round your answer.
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Pythagoras (A great video to explain it!)
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Here is a great video that will help you better understand Pythagoras. It is very visual and hopefully will give you a better idea of how Pythagoras works:)
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How to Estimate Perfect Squares
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Here is a great a video on how to approximate square roots of non-perfect square roots.
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