1. Critical Thinking
A confusing riddle? You’ll have four minutes to figure out this riddle. No talking; no cheating.

2. The Riddle
Before I came, confusion abounded. I'm late, I'm late was frequently sounded I'm not average, but was based on a mean. My size, in theory, is constant: fifteen I'm two dozen steps, again in theory. But walk my length and you'd get weary I take half and quarter steps at times. In reality, I don't follow the lines I shrink to nothing in two cold extremes. Over a thousand miles wide in the betweens What am I?

3. The Answer
Time zones Before the invention of standard time zones, each city or region could have its own local time. This became increasingly awkward as railways and telecommunications improved Originally, time zones based their time on Greenwich Mean Time (GMT). Mean solar time is defined by the rotation of the Earth, which is not constant in rate. Starting January 1, 1972, a new system was used, Coordinated Universal Time (UTC), which used a fixed rate and added leap seconds when necessary to compensate for variations in the rotation of the Earth In theory, there are 24 time zones, making each a constant 15 degrees of longitude apart. A time zone varies in width from zero miles at both poles to over 1000 miles at the equator In reality, there are about 40 time zones, and the border between time zones is irregular, following political or geographical boundaries. The island of Newfoundland, India, and parts of Australia use half-hour deviations from standard time, and some nations use quarter-hour deviations Canada's Sir Sandford Fleming first proposed time zones for the entire world in Most major countries had adopted hourly time zones by 1929.

4. Goals for the Day
I can improve my understanding multiple choice questions and argumentative essays.

5. Multiple Choice – AP Quiz
You’ll have ten minutes to complete the following quiz.

6. Argumentative Essays 1. Read the prompt.
2. Take 12 minutes to plan your essay fully. Outline your entire essay.
3. Read a sample that scored well on the AP exam.
4. Read the AP Performance Scores Q&A.
5. Take a few minutes to discuss with peers what you’ve taken away from this activity.

14. Choose at least one of the other prompts on today’s slides
Choose at least one of the other prompts on today’s slides. Consider how you would write the essay (about minutes), then go to the website and read the student sample that scored highest and the AP Student Performance Q&A. After completing this, go to Google Classroom and answer the question: How
Complete at least 1 of 3 Albert Assignments by Friday. You may complete the others for extra credit.