1. Lesson 5 Day 2.notebook
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November 05, 2014
AIM: Subtracting Integers
Do Now
11/5/14
Homework
Practice B on Page S.32E
Integers Quiz Friday
Exit Ticket for Lesson 5
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November 05, 2014
Problem Set 5
Answer Key
S.31
-3
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Problem Set 5
Answer Key
S.32A
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November 05, 2014
Problem Set 5
Answer Key
S.32A
-8
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November 05, 2014
Problem Set 5
Answer Key
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November 05, 2014
Anticipatory Set
Answer the following question in a complete sentence.
1.) Predict how subtracting integers using a
number line will be different than adding
integers using a number line.
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1
S.32B
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S.32B
SUBTRACTING INTEGERS USING A NUMBER LINE:
9
8
7
6
5
4
3
2
1
0 1 2 3 4 5 6 7 8 9 10
Pairs Check Activity:
-1 - 5 4 - 10
STOP: WAIT FOR THE OTHER PAIR TO FINISH AND
DISCUSS. DO NOT CONTINUE UNTIL INSTRUCTED TO!!!!!
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November 05, 2014
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S.32B
SUBTRACTING INTEGERS USING A NUMBER LINE:
9
8
7
6
5
4
3
2
1
0 1 2 3 4 5 6 7 8 9 10
Pairs Check Activity:
3 - 9 -4 - 8
STOP: WAIT FOR THE OTHER PAIR TO FINISH AND
DISCUSS. DO NOT CONTINUE UNTIL INSTRUCTED TO!!!!!
10. Lesson 5 Day 2.notebook
November 05, 2014
10
10
S.32B
SUBTRACTING INTEGERS USING A NUMBER LINE:
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) 2 - (-10)
STOP: WAIT FOR THE OTHER PAIR TO FINISH AND
DISCUSS. DO NOT CONTINUE UNTIL INSTRUCTED TO!!!!!
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Big Idea: Subtracting Integers is the same
as adding the additive inverse.
p - q = p + (-q)
S.32B
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S.32B
Evaluate the expression x - y for each set of values.
1.) x = 14, y = -2 2.) x = -11, y = 11 3.) x = -8, y = -15
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November 05, 2014
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Subtracting Integer Practice
* Be sure to change to an addition problem first!
1.) -9 - 1
2.) 8 - (-9)
3.) -7 - (-3)
4.) 5 - 11
5.) -10 - (-15)
6.) 5 - 18
7.) -8 - 4
8.) 8 - (-7)
p - q = p + (-q)
S.32C
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1 S.32C
The low point of the Tonga Trench, in the Pacific Ocean, is
-10,630 meters. The low point of the Mariana Trench, also in
the Pacific Ocean, is 890 meters lower. What is the depth of
the Mariana Trench?
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2 S.32C
The average surface temperature on Pluto is -2290C. What
would the temperature be if it was currently 24 degrees lower
than average?
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Sprint
Module 2 Lesson 5 Sprint 2
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S.32D
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S.32D
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Before you Leave
Problem Meaning of the Minus Sign
5 - 8= x
x + 5 = -2
Which is larger -(-4) or - 4
Word Bank:
Negative
Opposite
Subtraction
S.32C
22. Attachments
Class Notes 11806.
doc
Class Notes 11905.
doc
Math in the News Project Outline.doc
