Squares and square roots

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Intros

Lessons

- What is a square root?
- How to find side lengths of squares using square roots?
- How to estimate non-perfect squares?
What is a perfect square?

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Examples

Lessons

Find the prime factorization. Then, identify the perfect squares.
1. 53
2. 71
3. 196
Find the area of the square that has a side length of:
1. 15 cm
2. 21 cm
Calculate.
1. $\sqrt {16}$
2. $\sqrt {49}$
3. $\sqrt {2025}$
1. Find the area of the rectangle.
2. What is the side length of a square that has the same area as the rectangle above?

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