Interesting Integers!

What You Will Learn Some definitions related to integers. Rules for adding and subtracting integers. A method for proving that a rule is true. Are you ready??

Definition Positive number – a number greater than zero

Definition Negative number – a number less than zero

Definition Opposite Numbers – numbers that are the same distance from zero in the opposite direction

Opposite Numbers These are also known as Zero Pairs Because if we add the opposites together we get ZERO for an answer = = 0

Definition Integers – Integers are all the whole numbers both positive and negative and zero.

Negative Numbers Are Used to Measure Temperature

Negative Numbers Are Used to Measure Under Sea Level

Negative Numbers Are Used to Show Debt Let’s say your parents bought a car but had to get a loan from the bank for $5,000. When counting all their money they add in -$5.000 to show they still owe the bank.

Hint If you don’t see a negative or positive sign in front of a number it is positive. 9 +

Ordering integers-least to greatest 9, 4, -3, 0, -2,-9 6,7,-2,0,-7,-13,10

Absolute Value The distance the number Is from zero. It is written as |-5| or |5| |-5| is equal to |5| They are the same distance from ZERO

Order the following from least to greatest |-3| |-6| |5|

Give integer & its opposite integer 250 feet below sea level 32 degrees $35 withdrawal Win of 2 points

Homework pg evens

Pg even #2 – 1,333 feet above sea level -- +1,333 -1,333 #6 -2 < 5

# degrees below zero borrowed $ feet below sea level