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

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

Warm-up 1. Divide: −4 5 ÷ −8 9 2. Multiply: -9.2(3.1)

Lesson 11 hw questions??

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?

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

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:

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

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

Simplify each expression. Justify each step Ex: 18 + 7x + 4 Ex: 𝟏 𝟑 d · 3

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