Measurement Length Linear Units of Measure The English

Measurement

Length Linear Units of Measure: The English System 12 inches (in. ) = 1 foot (ft) 3 feet = 1 yard (yd) 36 inches = 1 yard 5280 feet = 1 mile (mi)

About how big is each? Inch – Foot – Yard – Mile -

Converting Units Convert: a. 40 inches to feet Solution: b. 13, 200 feet to miles Solution:

About how big are these things? Millimeter a little longer than a yard stick Centimeter half a mile Meter width of a paper clip little Kilometer width of a hair

Commonly Used Units of Linear Measure in the Metric System The basic units for measure in the metric system are the meter, liter, and gram. Symbol km hm dam m, l, or g dm cm mm Unit kilometer hectometer dekameter, liter, gram decimeter centimeter millimeter Meaning 1000 meters 10 meters 1 meter 0. 01 meter 0. 001 meter

Changing Units Within the Metric System To change from larger units to smaller units involves multiplying by ten (move your decimal to the right). To change from smaller units to larger units involves dividing by ten (move your decimal to the left). Remember this? ? ? King Henry Doesn’t Usually Drink Chocolate Milk

Changing Units Within the Metric System a. Convert 504. 7 meters to kilometers. b. Convert 27 meters to centimeters

Using Dimensional Analysis to Change To and From the Metric System Approximate English and Metric Equivalents 1 inch (in. ) = 2. 54 centimeters (cm) 1 foot (ft) = 30. 48 centimeters (cm) 1 yard (yd) ≈ 0. 9 meter (m) 1 mile (mi) ≈ 1. 6 kilometers (km)

Using Dimensional Analysis to Change to and from the Metric System a. Convert 125 miles to kilometers b. Convert 2, 680 centimeters to inches.