1. Day 13 Adding Integers Number Line.notebook September 27, 2012
AIM: Adding Integers
Do Now
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2. Day 13 Adding Integers Number Line.notebook September 27, 2012
Anticipatory Set
Explaining a Mistake
1.) Below is an example of adding integers a student
completed and they provided an explanation.
a.) What is the correct answer to the problem?
b.) Explain why their explanation is not correct based on
yesterday‛s lesson.
-10 + 6 = 4
-10 + 6 = -4
EXPLANATION: Since they have different signs, I
subtracted and kept the answer positive.
negative
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3. Day 13 Adding Integers Number Line.notebook September 27, 2012
ADDING INTEGERS USING A NUMBER LINE:
­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10
Pairs Check Activity:
-9 + 12 8 + (-10)
STOP: WAIT FOR THE OTHER PAIR TO FINISH AND
DISCUSS. DO NOT CONTINUE UNTIL INSTRUCTED TO!!!!!
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4. Day 13 Adding Integers Number Line.notebook September 27, 2012
ADDING INTEGERS USING A NUMBER LINE:
­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10
Pairs Check Activity:
7 + (-3) -3 + (-8)
STOP: WAIT FOR THE OTHER PAIR TO FINISH AND
DISCUSS. DO NOT CONTINUE UNTIL INSTRUCTED TO!!!!!
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5. Day 13 Adding Integers Number Line.notebook September 27, 2012
Evaluate each expression for a = -15, b = -8, and c = 6.
14 + b
­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10
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6. Day 13 Adding Integers Number Line.notebook September 27, 2012
Evaluate each expression for a = -15, b = -8, and c = 6.
c + (-8)
­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10
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7. Day 13 Adding Integers Number Line.notebook September 27, 2012
Evaluate each expression for a = -15, b = -8, and c = 6.
a+b
­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10
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8. Day 13 Adding Integers Number Line.notebook September 27, 2012
Evaluate each expression for a = -15, b = -8, and c = 6.
c+5+a
­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10
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9. Day 13 Adding Integers Number Line.notebook September 27, 2012
1.) In Indianapolis, Indiana, the
coldest recorded temperature was
-23°F. The hottest recorded
temperature was 127°F higher. What
was the hottest temperature in
Indianapolis?
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10. Day 13 Adding Integers Number Line.notebook September 27, 2012
2.) The Aral Sea and the Caspian
Sea are actually lakes. The
elevation of the Caspian Sea is
92 feet below sea level. The Aral
Sea is 217 feet higher.
What is the elevation of the Aral
Sea?
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11. Day 13 Adding Integers Number Line.notebook September 27, 2012
Smart Response Activity
1.) 7 + (-16) 5.) -11 + (-52)
2.) -6 + (-13) 6.) 25 + (-70)
3.) -3 + 10 7.) 25 + 14
4.) -7 + (-81) 8.) -26 + 42
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12. Day 13 Adding Integers Number Line.notebook September 27, 2012
Adding Integers
Grade: «grade»
Subject: «subject»
Date: «date»
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13. Day 13 Adding Integers Number Line.notebook September 27, 2012
1
1.) 7 + (-16)
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14. Day 13 Adding Integers Number Line.notebook September 27, 2012
2
2.) -6 + (-13)
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15. Day 13 Adding Integers Number Line.notebook September 27, 2012
3
3.) -3 + 10
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16. Day 13 Adding Integers Number Line.notebook September 27, 2012
4
4.) -7 + (-81)
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17. Day 13 Adding Integers Number Line.notebook September 27, 2012
5
5.) -11 + (-52)
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18. Day 13 Adding Integers Number Line.notebook September 27, 2012
6
6.) 25 + (-70)
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19. Day 13 Adding Integers Number Line.notebook September 27, 2012
7
7.) 25 + 14
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20. Day 13 Adding Integers Number Line.notebook September 27, 2012
8
8.) -26 + 42
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21. Day 13 Adding Integers Number Line.notebook September 27, 2012
Extra Examples
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22. Day 13 Adding Integers Number Line.notebook September 27, 2012
BEFORE YOU LEAVE
AIM: Adding
How would you explain today's
Integers
lesson to a student who was
absent today?
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23. Day 13 Adding Integers Number Line.notebook September 27, 2012
Homework
Start Preparing for
the Exam (10/5)
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24. Attachments
Class Notes 11­8­06.doc
Random Adding Integers.notebook
Random Adding Integers only.notebook