watch?v=ozaDTY59a34&list=PLy2WKwd4Cvgs6MnqzwwX d ... 4-6.pdf · There are many more Rational...
Transcript of watch?v=ozaDTY59a34&list=PLy2WKwd4Cvgs6MnqzwwX d ... 4-6.pdf · There are many more Rational...
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October 17, 2013
http://www.youtube.com/watch?v=ozaDTY59a34&list=PLy2WKwd4Cvgs6MnqzwwX_d-3LNU5t1nEV
Colin Dodds - Number Types (Math Song) - YouTube.website
Pi is an irrational number - Star Trek - YouTube.website
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October 17, 2013
Rational Numbers Irrational Numbers
Real Numbers
expressed as a fraction
terminating decimal (stops)
repeating decimal
cannot be written as fraction
non terminating decimal
non repeating decimal
"messy" square root
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October 17, 2013
Rational Numbers -Include #s that can be expressed as the ratio of 2 integers.
- Decimals that either repeat OR terminate.Repeating decimal ~ 0.33333(decimal that repeats)
Terminating decimal ~ 4.2(decimal that ends)
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October 17, 2013
There are many more Rational Numbers than Irrational Numbers!
Integers - all positive and negative whole numbers
Whole Numbers - all positive numbers beginning with 0
Natural Numbers - all positive numbers beginning with 1 (counting numbers)
Rational Numbers - special groups
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October 17, 2013
All REAL numbers are
either...
Rational or Irrational
Terminating and Repeating DecimalsFractions and Mixed NumbersPositive and Negative Fractions and special groups:
-Integers (...,-2,-1,0,1,2,3,...) - Whole #s (0,1,2,3,...) - Natural #s (1,2,3,...)
Can only be written as decimals that do not terminate or repeat.
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October 17, 2013
Pi is an irrational number - Star Trek - YouTube.website
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October 17, 2013
0.6
fraction decimal
positivenegative
positive0
positive 1
repeat3.8 1.2
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October 17, 2013
Real Numbers
Rational Irrational
Integers
Whole Numbers
Natural Numbers0
-7-1
9 5
17
- 7
16
π
5
9
-3
11
27
4
4.6-0.9 0.3
π
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October 17, 2013
Large Group Activity
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October 17, 2013
Clicker Activity
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October 17, 2013
(5, 6, 18, 27, 36, 44, 45)The numbers shown above belong to which of the following subsets of the real numbers?
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October 17, 2013
35
-9 3.8
To which real number subset do the following real numbers belong?
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October 17, 2013
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October 17, 2013
Which is the most specific subset of the real numbers that contains the number below? -7
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October 17, 2013
(0, 1, 13, 18, 28, 35, 38)The numbers shown above belong to which of the following subsets of the real numbers?
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
Which is the most specific subset of the real numbers that contains the number below?
12
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
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October 17, 2013
Colin Dodds - Number Types (Math Song) - YouTube.website
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October 17, 2013