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2 cards from this section. Quick, good the night before a test.
What is the square root of 64?
Think of what number multiplied by itself equals 64.
Is 49 a perfect square?
Check if it's formed by squaring an integer.
What is the square root of 81?
Remember the multiplication table.
True or False: The square root of any perfect square has two integer solutions.
Think about negative numbers too.
A square has an area of 2500 cm². What is the length of each side? Find via both methods of repeated subtraction and prime factorization.
Keep track of how many odd numbers you subtract!
Is 1000 a perfect square? If not, what is the smallest integer needed to multiply it by to become a perfect square?
Consider the prime factors!
5 more questions in this section. Enroll free to practise them all.
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