do now 9/27/11 copy hw in your planner. copy hw in your planner. text p. 48, #16-42 all, 45, 46, 50...
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![Page 1: Do Now 9/27/11 Copy HW in your planner. Copy HW in your planner. Text p. 48, #16-42 all, 45, 46, 50 & 51 Text p. 48, #16-42 all, 45, 46, 50 & 51 POTW #3](https://reader036.vdocument.in/reader036/viewer/2022082819/56649f1c5503460f94c32679/html5/thumbnails/1.jpg)
Do Now 9/27/11Do Now 9/27/11
Copy HW in your planner.Copy HW in your planner. Text p. 48, #16-42 all, 45, 46, 50 & 51Text p. 48, #16-42 all, 45, 46, 50 & 51 POTW #3 due tomorrowPOTW #3 due tomorrow
In your journal, list ten pairs of opposites. In your journal, list ten pairs of opposites. What do you know of in math that has an What do you know of in math that has an opposite?opposite?
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Objective
SWBAT compare and order integers and determine absolute value.
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OPPOSITES OPPOSITES oror ADDITIVE INVERSE ADDITIVE INVERSEnumbers that are the same distance from ZEROnumbers that are the same distance from ZERO..
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negativenegative positivepositivezerozero
What is the opposite of -3? What is the opposite of -3? Opposite of -3 = 3Opposite of -3 = 3
Section 2.1, “Integers”Section 2.1, “Integers”
3 units 3 units
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the set of whole numbers the set of whole numbers and their oppositesand their opposites
““To be an Integer or Not to be an To be an Integer or Not to be an Integer”Integer”
+6+6-4-4+7+7--½½¾¾
-32-32
Integer-Integer-
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Integers are divided into three categories: Positive numbers Negative numbers Zero
IntegersIntegers
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negative positivezero
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Creating a Number Line …Creating a Number Line …
Fold your paper in half left to right. Fold your paper top to bottom. At the center mark ZERO. Make a tick mark every ½ inch on
the number line.
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Order the following integers from least to greatest.0, -6, 5, -3, 4, 2
Ordering IntegersOrdering Integers
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negative positivezero
-6, -3, 0, 2, 4, 5
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Ordering IntegersOrdering Integers
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negative positivezero
Order the following integers from greatest to least.-3, 6, 2, 0, 1, -2
6, 2, 1, 0, -2, -3
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ABSOLUTE VALUEABSOLUTE VALUE
The distance a number is away from ZERO. Distance is always “The distance a number is away from ZERO. Distance is always “positive.”positive.”
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negative positivezero
What is the absolute value of -4? or |-4| |-4| = 4
What is |4| ? |4| = 4
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Compare. Write <, >, or =.
-45 -46> |-45| |-46|<
|-45| 45= 45 |-46|<
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Homework
NJASK7 Prep
Text p. 48, #16-42 all, 45, 46, 50 & 51Text p. 48, #16-42 all, 45, 46, 50 & 51
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“Opposites Poster”
Pretend you have to teach a lesson on integers to a 4th grade class. Create a poster on construction paper, about opposites.
Include at least seven picture examples of opposites things.
Include 10 examples of opposite integers.