6th grade math monday, may 20, 2019€¦ · 6 math day 123 may 20 simplifying wproperties.notebook...
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6 Math Day 123 May 20 Simplifying wproperties.notebook
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6th Grade MathMonday, May 20, 2019
Assignment Due Today:PEMDAS pp. 4345 24,27,30,33,38,41,43,47,48,49, 5053(CHOOSE 1)Assignment Due Tomorrow: Simplifying pp. 4951 2933,[3437 Choose 3],[3843
Choose 4], 4654
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Assgn PEMDAS pp. 4345 24,27,30,33,38,41,43,47,48,49, 5053(CHOOSE 1)
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Simplifying expressions: Some important terms to know:• Distribution (distributive property)• Commutative Property• Associative Property• Terms• Combining like terms• Coefficient
(a)(b) = (b)(a)
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Distributive property:
a(b+c)=ab+acCommutative property:
a + b = b + a
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Associative Property: a + b + c
=(a + b) + c
=a + (b + c)
abc
=(ab)c
=a(bc)
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Combining Like Terms:
What are terms? The terms of an expression are the parts to be added or subtracted.
3x + 5y + (5xy)
In this expression, there are 3 terms underlined in red.
1 2 3
In the following expression, there are like terms. Can you combine them?
5x + 3y 2x + 8y
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12 +9 =21(How many terms? Are they like?)
(How many terms? Are they like?)
5 + 3
= 5 + 3
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Use the associative property to help do these easily.
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Coefficient is the number next to the variable.
12xvariable
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Like HW
Problems!
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