Today in class students worked to rearrange numbers and spaces to make calculations more simple. We estimated the area of a house by breaking the house floor plan into "chunks" and finding the area of the rectangles. We then added these together to find an estimate of the area of the house. Answers to HW:
1. 20 cm squared, since the shape can be divided (vertically) into rectangles of area 2, 6, and 12 square centimeters. 2. a. You would divide the state into triangles and squares to estimate the area. b. For rectangles, parallelograms, and triangles, you need both base and height 3. 37 ⋅ 20 ⋅ π or about 2,325 in. 4. 6400 ⋅ 2 ⋅ π is about 40,000 km 5. Recipe 1: 4/12 or 1/3 tablespoons lemonade mix per cup of sparkling water Recipe 2: 4/6 or 2/3 tablespoons lemonade mix per cup of sparkling water Recipe 3: 3/5 or 0.6 tablespoons of lemonade mix per cup of sparkling water Recipe 4: 1/2 ÷ 3/4 or 2/3 tablespoon of lemonade mix per cup of sparkling water
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October 2018
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