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BELLWORK Vocabulary 4-7
MB pg. 191
CLICKERS!!
rational number
irrational number
real number
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Friday, October 18th
Today's Agenda:
1. Bell Work:
WS 4-5 Practice B
2. Square Roots
3. Notes: Ch. 4-7 Real Numbers
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Lesson Objective:
After the end of the lesson students will
determine if a number is rational or
irrational by using the clickers.
HW: WS: Chapter 4 Review
Chapter 4 Test Tuesday Oct.
22nd!!
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4-7 The Real Numbers
Real Numbers
Rational Numbers
Integers
Whole Numbers
Natural Numbers
Irrational Numbers
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All the numbers are either...
Real
or
Imaginary
rry too much about yet!
#s we aren't going to wo
All rational and
irrational
numbers
- square root of negative
numbers
- a fraction with a
denominator of 0
(numbers when you get
error message on your
calculator)
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Rational Numbers
any number that can be
expressed as a ratio
Examples:
Irrational Numbers
decimals that do NOT
terminate or repeat
Examples:
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Rational Numbers - special groups
Integers - the set of whole numbers and their
opposites
Whole Numbers - all positive integers beginning with 0
Natural Numbers - all positive integers beginning with 1
(counting numbers)
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Real, Irrational
Real, Rational
Real, Rational, Integer, Whole, Natural
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Real, Rational, Integer, Whole, Natural
Real, Rational
Real, Rational, Integer, Whole, Natural
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Which subset (group)
does
belong?
A. Integers
B. Rational
C. Irrational
D. Whole
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Which subset (group)
does
belong?
A. Integers
B. Rational
C. Irrational
D. Whole
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Which subset (group)
does
belong?
A. Integers
B. Rational
C. Irrational
D. Whole
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Which subset (group)
does
not belong?
A. Integers
B. Rational
C. Irrational
D. Whole
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True or False:
1. All Integers are Rational
2. All Irrational numbers are
Whole numbers
3. Some rational numbers are
integers
4. No square roots are rational
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Density Property
Between any two real numbers there
is another real number.
(not true for integers and whole numbers.)
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Homework
WS: Real
Numbers
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1. Bell Work:
Get your clicker!
2. Review for Quiz
3. Quiz Sections 4.4, 4.5 and 4.7
4. HW: Even #'s Ch. 4 Review
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