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For example, by truncating the decimal expansion of √2, show that √2 is between 1 and 2, then between 1.4 and 1.5, and explain how to continue on to get better approximations.
8ns2
Examining Square Root Relative Values
Examining Square Roots
Finding Radicals on a Numberline
Finding Square and Cube Roots with Equations
Rewriting Factors as Squares
Simplifying Radicals
Solving Square Roots
Solving with Negative Powers
Expressing Decimals with Numberlines