Integers

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Integers

• 6th grade Math
• March Madness

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Integers

• SPI0606.1.3 Use concrete, pictorial, and symbolic
  representation for integers.
• SPI0606.2.8 Locate integers on the number line

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Essential Questions
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What are Integers? How do we order integers on a
number line?
Copy information into your notebook, whenever you
see this symbol
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Key Vocabulary
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• Integer The set of whole numbers and their
  opposites.
• Not a decimal or a fraction
• Example
• , -3, -2, -1, 0, 1, 2, 3
• means to continue with no end

EQ What are Integers?
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Positive vs. Negative
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• Positive integers
• Integers greater than zero
• Shown with a or no sign
• Example
• 3, 3, (3)
• Negative Integers
• Integers less than zero
• Shown with a
• Example
• -3, (-3)

Zero is neither positive or negative
EQ What are Integers?
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Real-Life Words
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Positive Integer () Negative Integer (-)
Up Down
Forward Backward
Gain Lost


EQ What are Integers?
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Examples
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• Write an integer for the following situations.
• 1. The Dead Sea is 1,312 feet below sea level.
• -1,312 feet
• 2. Cecilia lost 5 pounds.
• -5 pounds
• 3. The quarterback gained 6 yards on the play.
• 6 yards
• 4. A helicopter rises 75 feet in the air.
• 75 feet

EQ What are Integers?
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Comparing Integers
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• Use a number line

Numbers get bigger
Numbers get smaller
EQ What are Integers?
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Integers on a number line
Positive and negative integers can be shown on a
number line.
We can use the number line to compare integers.
For example,
3 gt 8
3 is greater than 8
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Ordering negative numbers
We can also use a number line to help us write
integers in order.
So, the integers in order are
9, 6, 2, 2, 5, and 8
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Examples
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• Graph the following integers on the number line.
• 1. 9
• 2. -7
• 3. 3

EQ What are Integers?
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Temperature Exercise A
10
9
8
7
r
1) Copy and complete. Use the
e
6
m
5
r
a
4
word 'Warmer' or 'Colder'
W
3
2
1
a) 8oC is ________ than 1oC
0
-1
b) 10oC is ________ than 5oC
-2
r
-3
e
d
-4
c) -3oC is _________ than 0oC
l
o
-5
C
-6
d) -7oC is _________ than -12oC
-7
-8
9
-10
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Its Way too Cold!!!!
Think About It

• Think about it!
• Would you rather it be -5 degrees or -20 degrees?
• Which one is colder?
• Which one is a smaller number?

EQ What are Integers?
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Bigger or Smaller?
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• Integers can get tricky so watch out!
• A bigger positive bigger number
• BUT
• A bigger negative smaller number
• Think of the number line for help!

EQ What are Integers?
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Examples
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• Use lt, gt, or to compare the following integers.
• 1. 3 -1
• 3 gt -1
• 2. -8 -4
• -8 lt -4
• 3. 0 -2
• 0 gt - 2

EQ What are Integers?
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Practice on Discovery Education

• Think about what you have learned about integers
  and comparing integers
• Then, logon to Discovery Education for more
  practice
• http//assignments.discoveryeducation.com
• Progress Zone
• PZHB953762
• Enter HR section, Last Name, First Name