# Calculus.pdf - Chapter 7 Classroom Activities Measurements...

• 13

This preview shows page 1 - 4 out of 13 pages.

Chapter 7. Classroom Activities. Measurements. Section 7.1 Converting U.S. Customary Units of Length For Exercises 1 – 3, state the most appropriate units of measurement to express the given distance. Choose from inches, feet, yards, and miles. 1. The distance between New York and Dallas. Miles 2. The length of an ant. inches 3. The height of the Empire State Building. feet For Exercises 4 – 7, identify the correct conversion factor to convert the given distance to the new unit of measurement. 4. 15 ft = 5 yd 5. 15 ft = 180 in. 6. 1.25 mi = 2200 yd 7. 880 yd 2640 ft 1
For Exercises 1 – 4, add or subtract as indicated. 1. 4.8 in. – 3.6 in. 1.2 in. 2. 2.5 yd + 2.5 ft 3.33 yd 3. 16′3″ + 4′10″ 21’1” 4. 19′ – 2′9″ 16’4” 5. An electrician has 3 pieces of wire of lengths 42′9″, 12′6″, and 24′10″, respectively. The wires are soldered together to make one long piece of wire. Then the electrician attaches one end to a fuse box and the other end to switch. The electrician loses 1 in. on each end of each piece of wire when the wires are soldered together and then attached to the fuse box and switch. Does the electrician have a long enough piece of wire to stretch a distance of 80 ft?
6. Find the perimeter in yards. Then find the perimeter in feet.
Section 7.2. Converting U.S. Customary Units of Time, Weight, and Capacity 2
For Exercises 1 – 2, identify the correct conversion factor to convert the given time to the new unit of time.
3. A “30-minute” television show has 22.5 min of programming and 7.5 min of commercials.
4. As of May 2005, the world record time for the men’s mile run was just under 4 minutes. The
1.
2. How many ounces are in 1 lb?
3.
4. A package of meat weighs 3 lb 6 oz.