Here’s an example of a **SPEED MATH** shortcut for **ESTIMATING SQUARE ROOT OF A NUMBER : (Sq) Sqrt** from the **SQUARING AND SQUARE ROOTS** category.

**When can I use this method?**

For estimating square roots of any number.

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** Download Practice sheet for ESTIMATING SQUARE ROOT OF A NUMBER**

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### Notes –

- This method gives a close approximation of the answer. In most cases it does not give the exact answer. The estimated answer is generally within an error margin of 0.5% to 2%.
- In order to get closer to the exact answer, keep repeat steps 4 and 5 with the estimated square root values.

### Related Shortcuts –

None

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