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```									Brain Warm-Up

Solve the equation
1.) 12 + x = 36

2.)11n = 121

3.) h – 21 = 37
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
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?

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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