6 Chapter 1 Whole Numbers Section 1.1 Practice Exercises Study Skills Exercise In this text, we provide skills for you to enhance your learning experience. Each set of practice exercises begins with an activity that focuses on one of eight areas: learning about your course, using your text, taking notes, doing homework, taking an exam (test and math anxiety), managing your time, recognizing your learning style, and studying for the final exam. Each activity requires only a few minutes and will help you to pass this class and become a better math student. Many of these skills can be carried over to other disciplines and help you become a model college student. To begin, write down the following information. a. Instructor’s name b. Instructor’s office number c. Instructor’s telephone number d. Instructor’s email address e. Instructor’s office hours f. Days of the week that the class meets g. The room number in which the h. Is there a lab requirement for this course? class meets If so, where is the lab located and how often must you go? Vocabulary and Key Concepts 1. a. For large numbers, commas are used to separate digits into groups called . b. The place values of the digits in the ones period are the ones, tens, and places. c. The place values of the digits in the period are the thousands, ten-thousands, and hundred-thousands places. Concept 1: Place Value 2. Name the place value for each digit in 36,791. 3. Name the place values for each of the digits in 8,213,457. 4. Name the place values for each of the digits in 103,596. For Exercises 5–24, determine the place value for each underlined digit. (See Example 1.) 5. 6. 7. 8. 321 689 214 738 9. 10. 11. 12. 8,710 2,293 1,430 3,101 13. 14. 15. 16. 452,723 655,878 1,023,676,207 3,111,901,211 17. 18. 19. 20. 22,422 58,106 51,033,201 93,971,224 21. The number of U.S. travelers abroad in a recent year was . (See Example 2.) 22. The area of Lake Superior is 23. For a recent year, the total number of U.S. $1 bills in circulation was 7,653,468,440. 31,820 mi2. 10,677,881 24. For a certain flight, the cruising altitude of a commercial jet is 31,000 ft.
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