Integers Chapter Questions 1. What is an integer? Integers Chapter Problems Integers Classwork 1. Name 5 integers. 2. Name 5 numbers that are not integers. 3. What is the opposite of 20? 4. What is the opposite of -13? 5. Write an integer to represent each situation: a. The temperature falls 5 degrees. b. The team gains 25 yards. c. You deposit $100 in your savings account. d. You withdraw $75 dollars from your savings account. e. The mountain is 1,500 feet above sea level. f. A company loses $200,000. g. You owe your dad $15. h. The scuba diver is 35 feet below sea level. 6. Using the scoring system in the game of Jeopardy (you earn points for correct responses and lose points for incorrect responses) what would be the final score after the following 5 responses: a. Player 1 answers a 200 point question correct, a 150 point question wrong, a 50 point question correct, a 150 point question wrong, and 100 point question correct. b. Player 2 answers a 100 point question wrong, a 50 point question correct, a 100 point question correct, a 150 point question correct and 200 point question wrong. c. Player 3 gets a 200 point question correct, a 200 point question wrong, a 50 point question wrong, a 150 point question correct and a 200 point question correct. 7. Use the Jeopardy scoring system and create a sequence of 5 answers that would give you a score of: a. 300 points b. -50 points c. 0 points Homework 8. What is the opposite of -50? 9. What is the opposite of 11? 10. What is the opposite of 2? 11. What is the opposite of -7? 12. Write an integer to represent each situation: NJ Center for Teaching and Learning ~1~ www.njctl.org a. b. c. d. e. f. g. h. The temperature rises 11 degrees. The submarine dives 125 feet below sea level. The team loses 15 yards. You earn $35 babysitting. A company loses $12,000 in a month. A fee of $2.50 is charged. You deposit $100 in your bank account. Sea level. 13. Using the scoring system in the game of Jeopardy (you earn points for correct responses and lose points for incorrect responses) what would be the final score after the following 5 responses: a. Player 1 answers a 200 point question correct, a 50 point question wrong, a 250 point question correct, a 50 point question wrong, and 150 point question correct. b. Player 2 answers a 200 point question wrong, a 100 point question correct, a 100 point question wrong, a 100 point question wrong and 50 point question correct. c. Player 3 gets a 150 point question correct, a 100 point question wrong, a 50 point question wrong, a 100 point question correct and a 250 point question correct. 14. Use the Jeopardy scoring system and create a sequence of 5 answers that would give you a score of: a. -150 points b. 400 points c. 0 points NJ Center for Teaching and Learning ~2~ www.njctl.org Answer Key 1. 2. 3. 4. 5. For example: 3, 4, 5, -2, -2 For example: ½, -3/4, 0.4, √5, π -20 13 a. b. c. d. e. f. g. h. -5 +25 +100 -75 +1,500 -200,000 -15 -35 6. 7. 8. 9. 10. 11. 12. a. 50 b. 0 c. 300 Answers will vary. 50 -11 -2 7 a. b. c. d. e. f. g. h. +11 -125 -15 +35 -12,000 -2.50 100 0 13. a. +500 b. -250 c. +350 14. Answers will vary. NJ Center for Teaching and Learning ~3~ www.njctl.org