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Interesting Integers!

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. 0. 1. 2. 3. 4. 5. 6. Definition.

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Interesting Integers!

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  1. Interesting Integers!

  2. 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??

  3. Definition • Positive number – a number greater than zero. 0 1 2 3 4 5 6

  4. Definition • Negative number – a number less than zero. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6

  5. Definition • Opposite Numbers – numbers that are the same distance from zero in the opposite direction -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6

  6. Opposite Numbers • These are also known as Zero Pairs • Because if we add the opposites together we get ZERO for an answer. • +7 + -7 = 0 • -4 + +4 = 0

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

  8. Negative Numbers Are Used to Measure Temperature

  9. Negative Numbers Are Used to Measure Under Sea Level 30 20 10 0 -10 -20 -30 -40 -50

  10. 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.

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

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

  13. 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

  14. Order the following from least to greatest 0 -5 4 -3 |-3| |-6| |5|

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

  16. Homework pg 253 2-24 evens

  17. Pg 253 2-24 even #2 – 1,333 feet above sea level -- +1,333 -1,333 #6 -2 < 5

  18. #12 -5 -5 -4 -3 5 degrees below zero borrowed $5.00 5 feet below sea level

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