Measurement GTT – Unit 7 – Green Architecture © 2012 Project Lead The Way, Inc.Green Architecture.

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Presentation transcript:

Measurement GTT – Unit 7 – Green Architecture © 2012 Project Lead The Way, Inc.Green Architecture

English Measuring System Inches, Feet, Yards How many inches in a foot? How many feet in a yard? How many 1/4 inches in an inch? How many 1/8 inches in an inch? Can you figure out the pattern? How many 1/16 inches in an inch? How many 1/32 inches in an inch? 12 inches (0’-12”) 3 Feet (3’-0”)

Where is 1 3/4 inches? Where is 3 ½ inches? Where is 4 ¼ inches? Where is 5 ½ inches? Where is 0? Locate the Ruler Mark

Read My Line ¾” 1 ¼” 1 5/8” 2 3/8” 2 7/8” 3 ½” 4 1/8”

Read My Line – More Practice

Architectural Units – Notation Most architectural drawings use the architectural representation displaying measurements in feet and inches Example: 16′-2″ means 16 feet and 2 inches

Unit Conversion

feet to inches: 1 ft = 12 in. ◦ The ratio of inches to feet is 12:1 Desired Unit Given Unit miles to feet: 1 mi = 5280 ft or ∘ The ratio of feet to miles is 5280:1 Unit Conversion

Conversion factor –Using a conversion factor to cancel unwanted units is similar to canceling common factors when multiplying fractions Unit Conversion

Example: Convert 17.2 yards to feet 3 ft = 1 yd Unit Conversion

Your Turn: Convert 4 feet to inches 12 in. = 1 ft Unit Conversion

Example: Convert 2′-5″ to inches 12 in. = 1 ft Unit Conversion

1 foot = _______inches 1 foot 8 inches = ___________inches 3'-6″ = _______________inches 15′-11″ = _________________inches 21 ft = ____________ yards Converting to Inches in. + 8 in. = 20 Your Turn

How many blocks in 3 inches? 3 inches = _______________blocks If 4 Blocks = 1 Inch in length What is the conversion factor for inches to blocks? More Unit Conversions Desired Unit Given Unit

If 4 blocks = 1 Inch in length 6 in. = __________________blocks 2 ½ in. = __________________blocks 4 ¾ in. = __________________blocks More Unit Conversions Your Turn

Converting Architectural Units 1 ft. = 12 in. = 7 ft ft = ft

Converting Architectural Units 1 ft. = 12 in. = 23 ft ft = 23.5 ft = 16 ft ft = ft

Converting Architectural Units What are the dimensions of Bedroom #3? Convert to Decimal Feet Calculate the Area of this room 10′- 5″ x 12′- 5″ sq ft