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**Investigating Area by Folding Paper**

Day 1 5-Minutes From Mark Driscoll's Fostering Geometric Thinking

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Investigating Area For each problem, start with a square sheet of paper and make folds in the sheet of paper to construct a new shape, then explain how you know the shape you constructed has the specified area. Construct a square with exactly 1/4 the area of the original square. Explain how you know it has 1/4 the area.

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**Investigating Area by Folding Paper**

Day 2 5-Minutes From Mark Driscoll's Fostering Geometric Thinking

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Investigating Area For each problem, start with a square sheet of paper and make folds in the sheet of paper to construct a new shape, then explain how you know the shape you constructed has the specified area. Construct a triangle with exactly 1/4 the area of the original square. Explain how you know it has 1/4 the area.

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**Investigating Area by Folding Paper**

Day 3 5-Minutes From Mark Driscoll's Fostering Geometric Thinking

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Investigating Area For each problem, start with a square sheet of paper and make folds in the sheet of paper to construct a new shape, then explain how you know the shape you constructed has the specified area. Construct another triangle with exactly 1/4 the area of the original square that is not congruent to the previous triangle you constructed. Explain how you know it has 1/4 the area.

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**Investigating Area by Folding Paper**

Day 4 5-Minutes From Mark Driscoll's Fostering Geometric Thinking

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Investigating Area For each problem, start with a square sheet of paper and make folds in the sheet of paper to construct a new shape, then explain how you know the shape you constructed has the specified area. Construct a square with exactly 1/2 the area of the original square. Explain how you know it has 1/2 the area.

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**Investigating Area by Folding Paper**

Day 5 5-Minutes From Mark Driscoll's Fostering Geometric Thinking

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Investigating Area For each problem, start with a square sheet of paper and make folds in the sheet of paper to construct a new shape, then explain how you know the shape you constructed has the specified area. Construct another square with exactly 1/2 the area of the original square that is located in one of the four corners of the original square. Explain how you know it has 1/2 the area.

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