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# Integer Operations

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Author: Lauren Ford
##### Description:

TEKS 6.3 C & D: The student applies mathematical process standards to represent addition, subtraction, multiplication, and division while solving problems and justifying solutions. The student will represent integer operations with concrete models and connect the actions with the models to standardized algorithms and the student will add, subtract, multiply, and divide integers fluently.

In this lesson, students will learn how to solve problems with multiple operations involving integers.

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Tutorial

Learn how to add, subtract, multiply, and divide with integers and practice your skills.

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Source: Jonathan Clausell (exchange.smarttech.com)

Different signs, subtract!
Use the sign of the bigger number,
Then you'll be exact.

## Keep it, Change it, Change it Chart (KCC)

Use this chart to show your work when subtracting integers.
Remember - Keep the sign of the first integer, Change subtraction to addition, and Change the sign of the second integer!

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Source: Lauren Ford

## Integer Triangle

When multiplying and dividing integers, use the Integer Triangle to determine whether your answer will be negative or positive.

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Source: Lauren Ford