; Read Write Represent Integers
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Read Write Represent Integers

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									Brain Warm-Up

Solve the equation
1.) 12 + x = 36



2.)11n = 121



3.) h – 21 = 37
Read, write and represent
integers
     November 11, 2010
        Ms. Latimer
Vocabulary
  Integers – numbers       Ex: (-3, -2, -1, 0, 1, 2, 3)
  used to represent real
  life quantities          Words like: profit, increase,
  Positive Integers –      gain and above indicate
  Integers > 0             positive integers
  Negative Integers –
  Integers < 0             Words like: loss, decrease,
                           and below indicate a
  Opposites – Two          negative integer
  Integers that are
  equal distance from      Ex: 15, -15 are both 15
  zero                     units away from zero
Write the Integer Represented

1.) a $13 profit
2.) a 20 point decrease
3.) a gain of 9 yards
4.) a withdrawal of $15
5.) a deposit of $10
6.) the opposite of -48
7.) 19 feet below sea level
Your Turn:
Skill Practice: Write the integer that
represents the situation
1.) 20°F below 0

2.) 3 seconds before liftoff

3.) no gain on the 1st down**

4.) a growth of 2 inches
Graphing Integers on a number line.
Graph the following on the number line below:
-5, 4, 3, -2.5, 1.5




 Let’s try it ourselves….
 Some students have an Integer, and we need to put them in order.
 If you have an integer then head to the front. If you do not have a
 number you get to move students into position.
 NO TALKING ALLOWED!
Word Problem:
1.) A scuba diver is 14 feet below sea level. A
   second scuba diver is 22 feet below sea level.
   Write an integer to represent the divers’
   positions relative to sea level.

2.) Which two opposite numbers are exactly 32
   units apart from each other on the number
   line?
Adios Amigos

 Agendas: PB pg 67 # 1-5

 What are Integers
 How can Integers be used in every
 day life?
 How does a number line help with
 Integers?
 Can Integers be decimal numbers?

								
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