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Nature of Math
Test 2
� 34 Questions
� 20% of Semester Grade� Calculator Okay
� 75 minutes
� Sample Questions in Appendix
� Look through sample questions
� Get enough sleep� Visit Math Lab
� Study with friends
� Averages & Weighted Averages
� Counting Combinations� Algebra: Multiplying / Combining Like Terms
� Different Bases
� Whole Number base conversions
� Decimal / Fraction conversions (Not on test)
� Mayan Numbers – Normal & Solar Numbers
� Unknown Bases / Finding Numbers
� Using Exponents
� Ordinary Average
� Add the numbers
� Divide by the number of numbers
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� Weighted Average
� Multiply each number by its weight
� Add
� Divide by the total weight
� Average Speed
� Determine distance for each part
� Total Distance / Total Time
� “Basic Counting Principle”
� Count ways things can be done� Multiply
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� Converting from Base 7 to Base 10
� Determine Place values for each place
� Add up the digits
� Converting to a different Base
� Determine place values then guess
� Repeated long division
� Addition
� Multiplication
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� Number written in unknown base
� Unknown number (Chinese Remainder Theorem)
� Number written in unknown base
� Unknown number (Chinese Remainder Theorem)
� Base 20
� Digits written as: 5 = | and 1 = .� “Common” Mayan: 400 / 20 / 1
� “Solar” Mayan: 360 / 20 / 1
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� Addition 8+10
� Multiplication 8x10
� Exponents 810
� Arrow Notation 8↑↑10
� Arrow Notation 8↑↑↑10
(This list goes from smaller to larger)