COMPARING INTEGERS
Comparing Integers
(Asri Ati Muliana, 160103097)
When comparing integers, you can use a
number line and this is what we will use to show you how to compare integers.
Number line
Any
number to the right of 0 gets bigger and bigger as you move to the right.
So, if the numbers are positive, the smaller number is the one closer to 0. Any number to the left of 0 gets smaller and smaller as you move to the left. So, if the numbers are negative, the bigger number is the one closer to zero
So, if the numbers are positive, the smaller number is the one closer to 0. Any number to the left of 0 gets smaller and smaller as you move to the left. So, if the numbers are negative, the bigger number is the one closer to zero
Thing to remember:
Numbers on the left are always smaller than numbers on the right.
Example #1
Compare 3 and -2
Numbers on the left are always smaller than numbers on the right.
Example #1
Compare 3 and -2
|
-2
< 3
|
-2 is on the left of 3, so -2 is least than 3
Example #2
Compare -4 and -1
At first, you may have a tendency to say that -4 is bigger than -1 because 4 is bigger than 1.
However, this is not the case. -1 is bigger than -4 because it is closer to 0.
Also, -1 is on the right of -4.
Compare -4 and -1
At first, you may have a tendency to say that -4 is bigger than -1 because 4 is bigger than 1.
However, this is not the case. -1 is bigger than -4 because it is closer to 0.
Also, -1 is on the right of -4.
|
-4
< is least than -1
|
Compare -7 and -5
-5 is greater -7
-5 is greater -7
|
-7
< -5
|
Glosary
Number line =
is a straight line image where each point
is assumed to represent a real number and each real number refers to a certain
point
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