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Convert units of area and volume between customary and metric systems using multiplication. Examples include converting square yards to square feet and cubic yards to cubic feet. Practice conversions for volume and area.
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Lesson Menu Main Idea Example 1: Convert Units of Area Example 2: Convert Units of Volume Example 3: Convert Between Systems Example 4: Convert Between Systems Example 5: Convert Units of Volume
Convert units of area and volume between customary and metric systems. Main Idea/Vocabulary
Multiply by . Convert Units of Area Convert 12 square yards to square feet. = 12 × 3 ft × 3 ft = 108 ft2 Answer: 12 yd2 = 108 ft2 Example 1
Convert 720 square inches to square feet. A. 2 ft2 B. 4 ft2 C. 5 ft2 D. 6 ft2 Example 1 CYP
Multiply by . Convert Units of Volume AIR QUALITY Morgan is using an air purifier in a room that he estimates holds about 27 cubic yards of air. How many cubic feet of air will the air purifier need to clear? = 27 × 3 ft × 3 ft × 3 ft = 729 ft3 Answer: The purifier will need to clear 729 cubic feet of air. Example 2
BUILDING How many cubic inches of concrete will a builder need for a rectangular patio that has a volume of 30 cubic feet? A. 2.5 in3 B. 360 in3 C. 4,320 in3 D. 51,840 in3 Example 2 CYP
Multiply by . Convert Between Systems Complete the conversion. Round to the nearest hundredth if necessary.24 in2 ≈ __ cm2 ≈ 154.84 cm2 Multiply. Answer: 154.84 Example 3
Complete the conversion. Round to the nearest hundredth if necessary.3 km2 ≈ __ mi2 A. 0.39 B. 1.16 C. 4.83 D. 12.50 Example 3 CYP
Multiply by . Convert Between Systems Complete the conversion. Round to the nearest hundredth if necessary.90 ft3 ≈ __ m3 ≈ 2.55 m3 Multiply. Answer: 2.55 m3 Example 4
Complete the conversion. Round to the nearest hundredth if necessary.5 gal3 ≈ __ L3 A. 14.33 B. 18.93 C. 54.22 D. 271.12 Example 4 CYP
Convert Units of Volume SOY MILK An individual carton of soy milk is 5 centimeters wide, 9 centimeters tall, and 3 centimeters deep. How many liters of soy milk completely fill the carton? Step 1 Find the volume. V = bwh V = 5 cm • 9 cm • 3 cm V = 135 cm3 Example 5
Convert Units of Volume Step 2 Find the capacity. = 0.135 L Answer: So, 0.135 liter of soy milk completely fills the carton. Example 5
WATER A water trough for horses is 180 centimeters long, 75 centimeters wide, and 35 centimeters deep. How many liters of water can it hold? A. 4.725 L B. 472.5 L C. 47,250 L D. 472,500 L Example 5 CYP