1. AIM: Adding Integers
Do Now
Weekly Quiz #1
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2. Weekly Quiz #1
1.) Evaluate the following and write your answer in simplest form.
1
3 4
1 5
6
2.) Evaluate the following and write your answer in simplest form.
2
4 3
÷ 2 41
3.) Add the following integers.
a.) -8 + (-7) b.) 5 + (-9)
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3. 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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4. 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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5. 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!!!!!
5

6. 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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7. 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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8. 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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9. 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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10. 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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11. 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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12. Lettered Heads 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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13. Extra Examples
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14. BEFORE YOU LEAVE
AIM: Adding
How would you explain today's
Integers
lesson to a student who was
absent today?
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15. Homework
None
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16. Attachments
Class Notes 11­8­06.doc
Random Adding Integers.notebook
Random Adding Integers only.notebook