A Picture is worth 1000 Words

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Presentation transcript:

A Picture is worth 1000 Words

Read each problem, determine what you are trying to find, draw a diagram, and solve the problem. 2. In the city of Rectangulus, all the streets running east–west are numbered and those streets running north–south are lettered. The even-numbered streets are one-way east and the odd-numbered streets are one-way west. All the vowel-lettered avenues are one-way north and the rest are two-way. Can a car traveling south on S Street make a legal left turn onto 14th Street?

3. Midway through a 2000-meter race, a photo is taken of five runners 3. Midway through a 2000-meter race, a photo is taken of five runners. It shows Meg 20 meters behind Edith. Edith is 50 meters ahead of Wanda, who is 20 meters behind Olivia. Olivia is 40 meters behind Nadine. Who is ahead? In your diagram, use M for Meg, E for Edith, and so on.

4. Mary Ann is building a fence around the outer edge of a rectangular garden plot that measures 25 feet by 45 feet. She will set the posts 5 feet apart. How many posts will she need?

5. Freddie the Frog is at the bottom of a 30-foot well 5. Freddie the Frog is at the bottom of a 30-foot well. Each day he jumps up 3 feet, but then, during the night, he slides back down 2 feet. How many days will it take Freddie to get to the top and out?

6. Here is an exercise taken from Marilyn vos Savant’s Ask Marilyn® column in Parade magazine. It is a good example of a difficult- sounding problem becoming clear once a diagram has been made. Try it. A 30-foot cable is suspended between the tops of two 20-foot poles on level ground. The lowest point of the cable is 5 feet above the ground. What is the distance between the two poles?