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Sup dawgs?Ready to do some algebrizzle?
Solving Algebraic Equations
Unit 6
Sleepy, Sneezy, Grumpy, Doc, Happy, Bashful, Dopey and Snow White met up for lunch.
Everybody shook hands with everybody else once.
How many handshakes took place?
How did you solve the equation?
But first… Problem of the Day!
What is an equation? Give me an example. A mathematical sentence that shows equality.
Equations always contain the “=” symbol. What is an expression? Give me an
example. A pattern for similar problems. Expressions do not
contain the “=” symbol.
What is a variable? Give me an example.
What is a coefficient? Give me an example.
REVIEW - TERMINOLOGY
4n + 3n + 5n
5x3 + 4x + 3x2 + 6x2 + 7x3
REVIEW - COMBINING LIKE TERMS
8x + 9x + x
11y + 10y + (-3x) + (-6x)
REVIEW - COMBINING LIKE TERMS
Why did we use the image of balance scales?
The mission is to ISOLATE THE VARIABLE!
Follow the steps on the poster.
REVIEW – ALGEBRAIC EQUATIONS
6 + n = 7
PRACTICE
9x – 4x = 10
PRACTICE
7 = 2h – 7
PRACTICE
3☺ - ☺ = 12
PRACTICE
Ms. Henderson’s annoying video of the day!
The moment you’ve all been waiting for…
Algebra Song - Repeat It.mp4
For Today:◦ Finish Combining Like Terms Worksheet #1◦ Finish One Step Equations Worksheet #2
For Wednesday:◦ Math Makes Sense p.331 #6,7,8,9
Don’t forget to REPEAT IT!
HOMEWORK