Applications w/ rational numbers

Applications w/ rational numbers C-scope unit 2

Question #1 • Heathers cell phone company charges $29.50 per month for basic service. The charge for text messages is $0.10 per message. What is Heather’s total cost this month if she sends 50 messages? • $30.50 • $34.50 • $39.50 • $79.50

Question #2 • A toy box is 60 inches long, 24 inches wide, and 36 inches high. Which is the closest to the volume of the toy box? • 10 cubic feet • 15 cubic feet • 25 cubic feet • 30 cubic feet

Question #3 • Frances wants to buy a leather jacket that costs $200 after adding the sales tax. She has $50 in her savings account and earns $7 an hour babysitting. Which equation below would she use to determine how many hours, h, she must work before she can buy the jacket? • 50h + 7 = 200 • 7h – 50 = 200 • 200 = 50 + 7h • 200 = 50 – 7h

Question #4 • Luis is making a wooden model of a flag for his school project. He found a bargain on square pieces of plywood. If his flag is to be 18 inches by 12 inches, what is a reasonable area for the square piece of plywood he must purchase if he only wants to make one cut in the wood? • 60 square inches • 144 square inches • 216 square inches • 324 square inches

Question #5 • The original Ferris wheel introduced at the 1893 World’s Fair in Chicago had a diameter of 125 feet. Which is the closest to the distance traveled by a person who rode this Ferris wheel for 5 complete revolutions? • 785 ft. • 3925 ft. • 1963 ft. • 49063 ft.

Question #6 • Lincoln Middle School had a canned food drive. The 6th graders brought in 5.75 boxes of canned food, the 7th graders brought in 6 ½ boxes of canned food, and the 8th graders brought in 7 ⅜ boxes of canned food. What was the total number of boxes of canned food brought in by the three grade levels? Write your answer as a fraction.

Question #7 • Mindy needs to rake her yard. If the area of the yard is 378 square feet and the length of the yard is 27 feet, which of the following would be the measurement of the width of her yard? • 8 feet • 9 feet • 14 feet • 72 feet

Question #8 • The Star Motel charges $69.00 per night for a single room, plus $7.50 per night for tax. If Kelly stayed in a single room for 4 nights, what would be the cost of her 4-night stay? • $266.00 • $276.00 • $300.00 • $306.00

Question #9 • Andrea waits table at a local café. She makes $6.50 per hour and usually works between 20 and 25 hours a week. What is a reasonable amount Andrea earns in one week? • Between $100 and $130 • Between $130 and $160 • Between $160 and $180 • Between $180 and $210

Question #10 • A professional football field measures 53 ½ yards wide and 120 yards long, including the end zones. After football practice players have to run laps around the outer edge of the football field. If a player runs approximately 2 miles, what would be a reasonable number of times the must run around the football field? (hint: use your formula chart) • 5 • 10 • 15 • 20

Question #11 • Lance invested $1000 into the stock market. During the first year his stocks gained 35% in value. What were his stocks worth at the end of the first year? • $650 • $1035 • $1305 • $1350

Applications w/ rational numbers