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Crumple and Shoot
2
• Crumple and Shoot (also known as Trashketball) – powerpoint of equations with variables on both sides of the equals sign. Students work in teams of 4, each studnet has a number from 1-4. Every student does every problem on white board. I use a random number generator to call a number from 1-4. That student holds up their board – if the answer is correct, their team gets one point and they have the opportunity to get extra points by shooting a piece of scrap paper into our recycle box. I have a “one point line,” “two point line” and “three point line” from which to shoot to make extra points. Students are encouraged to work together with their team to complete the problems since they never know who will be called to show the answer. Great communication encourager.
Translating
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Two diminished by three times a number
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2 – 2x
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Six more than the product of 3 and a number
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3x + 6
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The product of 3 and a number increased by 7 is 25 less than
that number
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3x + 7 = x - 25
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Simplify
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-3(1 – x) – 4 – 5x
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-2x - 7
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5x2 + 4x + 1 ― (–7x + 2)
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5x2 - 11x - 1
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(5x2 + 17x – 14 ) – (–3x2 – 8x + 6)
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8x2 + 25x – 20
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Evaluate
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34
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20
-1
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13
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Solving Equation
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Solving Equations
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7x – 3(x – 4) = 8
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X = -1
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3x + 5 = 7x + 1
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X = 1
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23 + 2m = m + 75
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m = 52
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Solve Inequalities
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7x + 7 -35
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X < -6
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-9x + 2 20
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X < -2
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2x + 5 4x – 1
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X > 3
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Slope Formula
m = y2 – y1
x2 – x1
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(10, -3) (-4, 4)
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-1/2
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(-5, 2) (5, 2)
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0
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(7, -2) (7, 5)
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undefined
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Solve for y.
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2x – y = 6
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y = 2x - 6
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x + 2y = 2
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y = -1/2x +1
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3x + y – 2 = 0
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y = -3x + 2
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Graphing Inequalitiesdashed or solid
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solid
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dashed
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dashed
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Graphing Inequalitiesshading
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shade below
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shade above
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shade above
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shade to the right
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