Adding and Subtracting Greater Numbers Lesson
Presentation
•
Mathematics
•
6th - 8th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 19 Questions
1
More About Adding and Subtracting
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Adding Integers in the Card Game
Red is negative and black it positive
Let's add some numbers together
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Multiple Choice
This is Ariel's had what is the sum of her hand?
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Poll
If Ariel were to pick a black 4 what would that do to her answer?
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Multiple Choice
If Ariel were to pick a black 4 what would her hand now be?
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Fill in the Blanks
If Herman picked red 2, red 3, black 4, black 5, and red 6 what is Herman's hand?
Type answer...
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Multiple Choice
If Herman picked red 2, red 3, black 4, black 5, and red 6 what does Herman need to pick to get back to 0?
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Open Ended
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Poll
Bill and Ted are playing each other at the integer game who had the better hand?
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Multiple Choice
Bill and Ted are playing each other at the integer game. What is Bill's had equal?
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Multiple Choice
What does Ted need to tie with Bill?
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Let's dive deeper into Integers
When subtracting integers the signs and placements are important
They can sometimes mean we add numbers
I know but how well if the signs are opposite we will add the numbers and the placement will tell us if the answer is negative or positive
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Poll
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Open Ended
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Why did we add when it says to subtract?
When subtracting you are taking that number and its value away from the Minuend (the first number).
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Real purpose of subtracting
When you subtract a positive from a negative you are making it more negative
i.e. -3-5=8
When you subtract a negative from a positive you are making it more positive
i.e. 15-(-13)=28
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Fill in the Blanks
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Fill in the Blanks
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Fill in the Blanks
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Multiple Select
24
Fill in the Blanks
More About Adding and Subtracting
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