Unit 2  Integer Operations
Essential Questions
How can integers be used to represent changes?
• How do you add and subtract integers? • How do you use integers to solve realworld problems? • How can you interpret multiplication and division with integer factors? Unit 2 Vocabulary

Expected Outcomes
At the end of this unit, students should be able to:
• Identify additive properties of integers on a number line, including inverses, identity, and absolute value. • Add and subtract integers using geometric and symbolic representations. • Solve realworld problems involving integers. • Understand the rules for multiplication and division of integers and apply them. • Solve realworld problems using the four basic arithmetic operations with integers. 
Real World Integers
Positive integer words: deposit, gain, grow, bonus, increase, profit, up
Negative integer words: below, under, down, south, left, debit, ago, buy,
Negative integer words: below, under, down, south, left, debit, ago, buy,
Multiplying integers 
positive x positive = positive
negative x positive = negative positive x negative = negative negative x negative = positive 