PACKET #7 Introduction to Mathematics
PACKET #7
Introduction to Mathematics
Definition
Mathematics A science of structure and order Evolved from counting measuring and describing the
shapes of objects Deals with logical reasoning and quantitative
calculation Quantitative
Relating to number or quantity
Brief History of Mathematics
In Africa, a cave was found containing rocks with geometric patterns scratched into it
Artifacts discovered in Africa and France dating back to the earliest times on the planet suggest people tried to quantify time.
Evidence suggest that women devised counting to keep track of their menstrual cycles
Brief History of Mathematics II
In India, the earliest mathematics is dated around 3000 B.C. in the Indus Valley Civilization Decimal system Weights Right angles Geometric shapes
In China Earliest extant mathematics dates during the Shang
dynasty around 1600 B.C.Babylon (modern day Iraq)EgyptGreeks
All had B.C. timelines in regards to mathematics
Today…
Mathematics is a science…that is used within science.
Simple Addition Problems
Complete the following 678+345 5689+523+1298+2311
Simple Subtraction Problems
Complete the following 45789-5786 325 - 500
Simple Multiplication Problems
Complete the following 5693 * 9 225 * 11 625 * 25
Simple Division Problems
Complete of the following 475 / 5 56271 / 3 56216 / 12
Homework Problem Set #1
56231 * 461661349 / 956391164 / 146281 * 46 + (25 – 3)63 / 9 * 3 + 45(65 * (3 + 2)) – (66 / 11 + 42 * 4)
Fractions
Definition
Fraction Indicates small parts/bits of a whole
Apple example
Fractions—Problems
AdditionSubtractionMultiplicationDivision
Homework Problem Set #2
Provided in Class
Decimals and Rounding
Rounding is the process of approximating a quantity Round 245.678 to two decimal places
245.68 Round 245.689578 to three decimal places
245.690 Round 245.689578 to four significant numbers
245.7 Round 245.689578 to two significant numbers
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