# Graffiti Algebra “Isolation by Inverse” and “What you do to one side, you’ve got to do to the other”

May 29th, 2015
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Procedure: DAY 1: Addition and Subtraction 1. Divide students in teams of 2 or 3. Each team gets different colored pencils. Students rotate around the room in 30 second to 1 minute intervals working the problems on the notecards at

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GRE Algebra.Study online at quizlet.com/_f94as 1.Key words that represent ADDITION:: sum, gain, rise, and, plus, grow, increase, enlarge, added to, combined, greater than, more than, larger than2.Key words that represent SUBTRACTION:: difference, minus, reduce, subtracted from,less than, decreased by, decrease, lower, lose,smaller than, fewer than, diminish, drop3.Key words that represent MULTIPLICATION:: product, multiplied by, triple,times, twice, of, double, half4.Distance (formula): distance = speed time5.Work (formula): work = rate time6.Mixture (formula): mixture = concentration amount of solution7.Cost (formula): cost = rate number of items8.Two ways of solving a linear equations: Substitution: solve one equation for one of the variables, and substitute that variable into the other equation.Combination: Add or subtract one equation from another to cancel out one of the variables9.FOIL: *F*irst *O*uter *I*nner *L*ast10.(+5) (-2) = FOIL: *(+5) (-2)*= -2 +5 -10= +3 1011.a - b =: a - b = (a-b)(a+b)9 - 4 = (3 - 2) (3 + 2)12.(a + b) =: (a + b) = a + 2ab + b( + 3) = + 2()(3) + 3= + 6 + 913.(a - b) =: (a - b) = a - 2ab + b( - 5) = - 2()(5) + 5= - 10 + 2514.In general, x + bx + c can be factored into two binomials, under these conditions::

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