1. Chapter 3 section 4 Adding integers
Agenda:
Complete Bellringer: What does it mean for things to be opposite? State an example.
Notes: 3-4 NO CALCULATORS!
Homework page 123

2. Today I will learn to… Add integers with the same sign.
Add integers with different signs.
Simplify an expression with integers.

3. Add integers with the same sign.
Example: 7+ 4 =_______ *Key Concept: The sum of two positive numbers is positive. Example: −7 + (−4) = ________ *Key Concept: The sum of two negative numbers is negative.

4. Integers flowchart

5. Your Turn…
−14+(−16)=
23+38=
−35+(−49)=

6. Vocabulary:
Additive Inverse: The sum of any number and its additive inverse is 0.
example:

7. Explore…
= ________

8. Add integers with different signs…
Subtract the numbers and keep sign of the “bigger” number.
Example: 7+(−1)
Example: −8+4

9. Your Turn…
10+(−12)
−16+9

10. Evaluate…
Simplify 12+𝑥+(−20)
1+𝑦+(−5)
𝑍+(−2)+9

11. Practice
Skills Practice

12. Today I have learned to…
Add integers with the same sign.
Add integers with different signs.
Simplify an expression with integers.

13. Homework
Page # 9, 10, odd, odd