1. video Warm-Up Lesson 11 hw questions?? Lesson 12 Exit card
Agenda
video
Warm-Up
Lesson 11 hw questions??
Lesson 12
Exit card

2. Warm-up
1. Divide: −4 5 ÷ − Multiply: -9.2(3.1)

3. Lesson 11 hw questions??

4. Lesson 12: using the properties of real numbers to simplify expressions
Identity Properties of Addition and Multiplication a + 0 = a a · 1 = a Ex? Ex?

5. COmmutative Properties of Addition and Multiplication
CO stands for “Change Order”
a + b = b + a a · b = b · a
Ex: Ex:

6. Associative Properties of Addition and Multiplication Associate is synonymous with “group together” a + (b + c) = (a + b) + c a · (b · c) = (a · b) · c Ex: Ex:

7. Identify each property illustrated
1 · 4 = 4 b = 9 + 6
c. (2 · 5) · 4 = 2 · (5 · 4)

8. Tell whether the statement is true or false
Tell whether the statement is true or false. Justify your answer using the properties
x(y + z) = (x + y)z

9. Simplify each expression. Justify each step
Ex: x + 4 Ex: 𝟏 𝟑 d · 3

10. What to do now? Exit Card with your name on it Lesson 12 Homework:
A – G All, #1 – 17 Odds
*Due Monday*