Download Natural Numbers Whole Numbers Integers Real N W I R Rational

Untitled.notebook
September 14, 2015
Curriculum Outcome
N1: Demonstrate an understanding of raonal numbers by: comparing and ordering raonal numbers; solving problems that involve arithmec operaons on raonal numbers.
Student Friendly: How to idenfy a raonal numbers and how to write a raonal number
Sep 7­2:50 PM
Natural Numbers N
Whole Numbers
Integers
W
I
Rational
Q
Irrational
Q
Real
R
Mar 20­7:21 PM
1
Untitled.notebook
September 14, 2015
Copy and Complete
Which number groups do the following
numbers belong to? (NOTE: Every
number belongs to AT LEAST 2 number
groups.)
1. 2
2. -3
3.
4.
5.
6.
7.
8.
15
-0.9
25
0
Sep 7­1:56 PM
Rational
Numbers
­ any number that can be written as fraction
­ any number that ends
­ any decimal number that repeats Sep 10­10:59 AM
2
Untitled.notebook
September 14, 2015
Suppose you are ice
fishing on Blanchford
Lake, NWT. The
temperature at
midnight is -12oC. At 6
am the next day, the
temperature is -11 oC.
What must the
temperature have been
at some time during
the night?
Oct 26­9:30 PM
These look like
rational numbers
to me!
-12oC
?
?
? -11o C
Oct 26­9:48 PM
3
Untitled.notebook
September 14, 2015
Use a calculator to determine
the value of each rational number.
What did you notice??
7 =
5
I noticed that no matter where the negative is the answer will be negative.
7
=
5
7
=
5
Oct 26­10:22 PM
Sep 14­8:50 AM
4
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September 14, 2015
Sep 14­8:50 AM
Sep 1­9:29 PM
5
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September 14, 2015
Is there a
number
between
2.3 and 2.4?
??
3
2.3 2.4
2
Hint... Add a zero place holder
at the end of the decimal.
2.30
2.40
0
2.3
0
2.4
Oct 27­8:02 PM
6
A
5
B
3
Write the
rational number
that matches with
the letter.
4
C
­3
D
E
­5
­2
­4
Oct 27­10:48 PM
6
Untitled.notebook
September 14, 2015
"2 divided by 5 "
1. Change the fractions to decimals.
"3 divided by 4"
There are
two ways!
2 3 5 4
What numbers are between
3 and 2 ?
4 5
2. Write the fractions with common a denominator.
2 3 5 4
Oct 27­9:37 PM
The numerator is LARGER
than the denominator.
7
3
Improper vs. Mixed Fractions This is a Improper Fraction
Mixed Fraction Integer + Fraction
2 31
Oct 31­5:27 PM
7
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September 14, 2015
Sep 14­9:16 AM
Sep 14­9:18 AM
8
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September 14, 2015
Homework
Page 101-103
5,6ac,7ad, 8ac, 10cd,
12af, 16bf,
Oct 27­10:41 PM
Sep 14­9:21 AM
9