2 classifying numbers notes.notebook · 2 classifying numbers notes.notebook 1 September 03, 2013...
Transcript of 2 classifying numbers notes.notebook · 2 classifying numbers notes.notebook 1 September 03, 2013...
2 classifying numbers notes.notebook
1
September 03, 2013
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Classifying Numbers
and
Order of Operations
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Fill in the blanks:
There are ___ e‛s,
___ t‛s, and ____ s‛s in this sentence.
(Be careful, you may add letters that you did not take into account!!!)
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Real Numbers (ℝ)Irraonal
Numbers
Raonal Numbers ( ℚ)
Decimal form either terminates or repeats
Decimal form is non‐terminang and non‐repeang
Integers (ℤ) Whole NumbersNatural Numbers (ℕ)
1, 2, 3, …
0, 1, 2, 3, ……‐3, ‐2, ‐1, 0, 1, 2, 3, …
All raonal and irraonal numbers
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Tell all that apply: • Real
• Rational
• Irrational
• Integer
• Whole Number
• Natural Number
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Tell all that apply: • Real
• Rational
• Irrational
• Integer
• Whole Number
• Natural Number
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Classify each number in as many ways as possible.
•
• 0
• 23.0
• 2.2
•
•
2 classifying numbers notes.notebook
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September 03, 2013
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Sign Rules for ADD/subtract • Same Signs:
• *Add the numbers
• *Take their sign
• Different Signs:
• *Subtract the numbers
• *Take sign of # with largest absolute value
• Minus a Negative:
• *Plus a Positive
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Sign rules for multiply/divide
• Same Signs:
• *Mult/Div the #’s
• *Answer is positive
• Different Signs:
• *Mult/Div the #’s
• *Answer is negative
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Let’s try a few
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Add/subtract Fractions• Get a common denominator (LCM)
• Combine using operation
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Multiply/divide• Multiply: Divide (Remember
reciprocals for dividing):
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• Order of Operations
P
E
M
D
A
S
2 classifying numbers notes.notebook
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September 03, 2013
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• Evaluate:
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• Evaluate:
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• Evaluate:
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