Life Of A Butterfly

ADDING AND SUBTRACTING
POSITIVE AND NEGATIVE INTEGERS
By: Ren Eversole
COURSE OBJECTIVES
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After this lesson, children should be able to:
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Properly combine Positive and Negative Integers
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Use integers to represent real-life situations;
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TEKS Objectives (From §111.22. ):

(2) Number, operation, and quantitative reasoning. The student
adds, subtracts, multiplies, and divides to solve problems and justify
solutions. The student is expected to:
 (A) compare and order non-negative rational numbers;
 (B) use addition and subtraction to solve problems involving
fractions and decimals;
 (C) use integers to represent real-life situations
CLASS DISCUSSION
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Ask if any students know why positive and negative numbers are
useful.
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Allow students to share if they understand positive or negative
numbers. Such as buying lunch or burrowing money from one
another.

Go over how a number line can be read and is useful for
understanding positive and negative numbers.
CLASS ACTIVITY

Students will pair up and play a game.



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The students will be given an amount of fake money and allowed to
purchase things that they may want.
Students will be allowed to use their iPad or computer to
find things that they would like to purchase.
Students will have to keep track of how much money they
have spent.
Finally, the groups will present in front of the class
REFERENCES

http://ritter.tea.state.tx.us/rules/tac/chapter111/c
h111b.html