**Title:** What's My Number -- How to estimate the square root of a number that is not a perfect square

**Description:**
In this lesson, eighth grade students will learn the steps necessary to approximate the square roots of numbers that are not perfect squares. Students will use a number line as a visual aid to complete this task.

**Standard(s): **

[MA2015] (8) 2: Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions (e.g., π^{2}). [8-NS2]