1. Chapter 3 Section5
Subtracting Integers

2. Bell ringer Example 1 & 2 1.)Example 1 Subtract Positive Integers

3. Question of the day Multiple choice a. To Subtract a Integer you
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4. Classwork
Example 3 & 4
1.) Example 3 Subtract Negative Integers :Find 4 – (–3).
2.) Example 4 Subtract Negative Integers :Find –12 – (–7).

5. Lesson: subtracting integers
To subtract a integer , you add its opposite
Step 1 Keep the first number
Step 2 Change The Subtract or Addition sign
ex. If it is addition change to subtraction
if it is subtraction change to addition
Step 3 Switch The last Number
ex. If it is positive change to negative if
it is negative change it to positive
Example 1 - Subtract
1) 8-13= {8-13=8+(-13)=-5
To subtract 13, add -13 Simplify
Example 2 – Evaluate x-y if x=-6 and y=5
1.)x-y=(-6-5=)
-6+-5=-11
Replace the x with -6 and the y with 5.
To Subtract 5 add -5 ,Simplify.

6. Exit Ticket Example 5 & 6 1) Example 5 Evaluate an Expression
1) Example 5 Evaluate an Expression
ALGEBRA Evaluate f – g if f = –8 and g = 5
2) Example 6 Use Integers to Solve a Problem
TEMPERATURE On a particular day in the desert, the low temperature was –3F and the high temperature was 51F. Find the range of temperatures.

7. Homework
3-5 Subtracting Integers # 1-19 all In Power Point

8. *Remember
Weekly Report Question of the day everyday Report Cards Go Home Final Exams