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Published byDarlene McDowell Modified over 6 years ago

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BELL WORK X - 7 = -1 X - 4 = 66 8 = X - 2 -8 = X - 2 X = 6 X = 70 X = 10 X = -6

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MODELING THE EQUATION USING A BAR DIAGRAM

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253 Competitors

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Use the model to write and solve an equation X + 134 = 253 or 134 + x = 253 X = 119 boys

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Use the model to write and solve an equation X – 15 = 119 X = 134 girls

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Use the model to write and solve an equation X + 15 = 134 X = 119 boys

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Use the model to write and solve an equation X + 119 = 134 X = 15 more girls

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A used book costs $17 less than the same book new. The used book costs $9. Use a bar diagram to write and solve an equation to find out how much the new book cost. ? New book Used book 17 9 X – 9 = 17 X = $26 for a new book

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Use a bar diagram to write and solve an equation to find out how many hits he got in the second game.. X – 1 = 5 X = 4 hits in the second game

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USE THE MODEL TO WRITE AND SOLVE AN EQUATION X + 4 = 7 X = 3

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USE THE MODEL TO WRITE AND SOLVE AN EQUATION X + 2 = 6 X = 4

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