Approximately: 1 yard = 11 meter 12 1 mile = 1.6 kilometer The kilometer is used for measuring long distances; the meter, for short distances and for measuring cloth, etc.; and the millimeter is used in the sciences and to show very small measurements, as the thickness of wire, etc. Written Work 1. What decimal parts of a meter are expressed by the Latin prefixes? What multiples are expressed by the Greek prefixes? 2. Draw a line one meter long. Show the number of decimeters in a meter; the number of centimeters; the number of millimeters. 3. Explain why 5 m. 50 dm. 500 cm. 5000 mm. 4. In the metric system the fundamental operations are decimal or multiple operations. Thus, 8 m. 5 dm. 6 cm. 25 mm. are added in this manner. 5. Add 1 m., 3 dm., 6 cm., 3mm. Add 6.5 m., .25 mm., 65 dm. 6. The distance between two towns is 5 Km. and 451⁄2 m. After a bicyclist has traveled 3 Km. 57.5 m., how much of the distance remains to be traveled? 7. The distance from Paris to Calais is 295.32 Km. Express this distance approximately in miles. 8. How many meters of ribbon are necessary to make 150 badges, each 25 cm. in length? 9. The distance from Erie, Pa. to Buffalo, N.Y. is 112.651 Km. Express the distance approximately in miles. 10. Reduce the decimal in the last problem to meters and lower denominations. 11. The distance from New York to San Francisco is 4000 miles. Approximate this distance in kilometers and meters. METRIC MEASURES OF SURFACE Comparison of Fundamental Units of Square Measure I Sq.Yd. I Sq.M Table of Square Measures 1 sq. millimeter (sq. mm.) = .000001 sq. meter 1 sq. centimeter (sq. cm.) = = .0001 sq. meter = .01 sq. meter = = 1 sq. decameter (sq. Dm.) = 1.196 sq. yd. 100 sq. meters 1000000 sq. meters (nearly 4 sq. mi.) In metric measure of surface 100 times one unit of any denomination equals one unit of the next higher denomination. Land Measure. The standard unit used for measuring is the are (âr) containing 100 square meters = 119.6 square yards. Table: 1 centare 1 are = 100 sq. meters (nearly 120 square yards) 1 hectare 10000 sq. meters (nearly 2 acres). = The square meter is used in measuring ordinary surfaces, such as are found in houses, lots, farms, etc.; the square kilometer for measuring areas of countries and their divisions into states, counties, etc. METRIC MEASURES OF VOLUME Comparison of Fundamental Units of Cubic Measure 1 cu. millimeter (cu. mm.) = .000000001 cu. meter 1 cu. centimeter (cu. cm.) =.000001 cu. meter 1 cu. decimeter (cu. dm). = .001 cu. meter 1 cu. meter = 1.308 cu. yd. = In metric measure of volume 1000 times one unit of any denomination equals one unit of the next higher denomination. In measuring wood 1 cu. meter is called a stere. The cubic meter is the practical unit of measure of volume for all purposes. Written Work in Square and Cubic Measures 1. Find the number of square meters in the floor of your schoolroom. 2. At 27 cents per cubic meter, find the cost of excavating a cellar 10 m. by 18 m. by 11 m. 3. How much will it cost to paint one side of a tight board fence 25 meters long and 3 meters wide at $10 per square decameter? 4. How many square meters of linoleum will be required. to cover the floor of a hall 8 meters long and 3 meters wide? 5. How many steres are there in a pile of wood 2 meters high, 2 meters wide, and 6 meters long? METRIC MEASURES OF CAPACITY Comparison of Fundamental Units of Capacity |