This document contains lesson notes on exponents, square roots, and perfect squares. It provides examples of adding and subtracting decimals and whole numbers. It also includes examples of simplifying expressions with exponents, addition, subtraction, and square roots. The goal is to practice skills with decimals, exponents, and simplifying mathematical expressions.

1. lesson 38.notebook January 04, 2013
Lesson 38:
*Where would the decimal point be on a "whole number"?
BEHIND IT!!
*exponent - shows how many times the "base" should be used as a factor.
52 =
*square root - the inverse of "squaring a number"
25 =
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2. lesson 38.notebook January 04, 2013
**Perfect squares - a number whose square root is a whole number
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3. lesson 38.notebook January 04, 2013
Lesson 38 Examples:
Find each sum or difference.
A) 5 + 3.2
B) 5 - 3.2
C) 12.5 + 10
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4. lesson 38.notebook January 04, 2013
D) 10 - 8.8
E) 26 + 76.234
F) 0.25 + 5 + 3.9
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5. lesson 38.notebook January 04, 2013
Simplify:
G) 92
H) 32 + 42
I) 81
J) 100 - 49
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6. lesson 38.notebook January 04, 2013
K) 144
L) 6 ft 6 ft
M) 152
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