L. LaRosa for T. Trimpe 2008

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L. LaRosa http://www.middleschoolscience.com for T. Trimpe 2008 http://sciencespot.net/ Slide 2 If 2 diamonds = 1 circle and 2 squares = 3 circles, what do you need to balance out 1 square? Slide 3 If 2 diamonds = 1 circle and 2 squares = 3 circles, what do you need to balance out 1 square? Slide 4 If 2 diamonds = 1 circle and 2 squares = 3 circles, what do you need to balance out 1 square? Slide 5 If 2 diamonds = 1 circle and 2 squares = 3 circles, what do you need to balance out 1 square? Equations to solve problem: If 2 d = 1 c and 2 s = 3 c then 2 s = 3(2 d) 2 s = 6 d, or 1 s = 3 d 1s = (d + d) + d, therefore 1s = (1c) + d