Larger, estimate & simplify roots

What this lesson shows

Simplify the square root of 8. 8 is not a perfect square, so this will not come out as a whole number — but it can still be tidied.

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

1. Simplify the square root of 8.
   Show answer

   2√2
2. Solve x² = 169
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   ±13
3. Solve x² = 169. Fill in the missing value: x = ±___
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   13
4. Which is larger: the square root of 26 or the square root of 37?
   Show answer

   the square root of 37