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# Course 3, Lesson 17, Rounding and Estimating

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Author: Hector Soto
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1. Reason abstractly and quantitatively. 2. Construct viable arguments and critique the reasoning of others. 3. Know and apply the properties of integer exponents to generate equivalent numerical expressions. 4. Use square root and cube root symbols to represent solutions to equations of the formx2 = p and x3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational. 5. Give examples of linear equations in one variable with one solution, infinitely many solutions, or no solutions. Show which of these possibilities is the case by successively transforming the given equation into simpler forms, until an equivalent equation of the form x = a, a = a, or a = b results (where a and b are different numbers).

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Tutorial

## Rounding and Estimating

Source: J.D. Williams