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Published byJeffrey Parker Modified over 8 years ago
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Anna is 60 inches tall. How tall is she in centimeters? 1 inch 2.5 centimeters
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In this lesson you will learn to convert measurement units by using ratio tables.
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Units of measurement Let’s Review US customary unitsMetric units inches yards miles gallons pounds centimeters meters kilometers liters kilograms
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Unit rate: a ratio with different units & one of the units equals 1 Let’s Review Examples: 60 miles per hour $5 for 1 pound 2.5 centimeters for every 1 inch
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A Common Mistake Adding the same number to both rows +9 Cups of grape juice2 Cups of apple juice3 Cups of grape juice2 Cups of apple juice312 Cups of grape juice211 Cups of apple juice312
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Let’s Review Core Lesson Anna is 60 inches tall. How tall is she in centimeters? 1 inch 2.5 centimeters 1 in. 2.5 cm. 2 in. 5 cm. 3 in. 7.5 cm.
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Let’s Review Core Lesson 5 ways to solve a ratio problem 1) Table with addition 2) Table with multiplication 3) Double number lines 4) Tape diagrams 5) Graphing
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Let’s Review Core Lesson 1 in. 2.5 cm. 60 in. ? cm. Centimeters Inches x60 Centimeters2.5 Inches1 Centimeters2.5 Inches160 Centimeters2.5150 Inches160
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In this lesson you have learned to convert measurement units by using ratio tables.
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Let’s Review Guided Practice Anna’s baby brother is 75 centimeters tall. How tall is he in inches? 1 inch = 2.5 centimeters
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Let’s Review Extension Activities A football field is a rectangle with a length of 360 feet and a width of 120 feet. What is the perimeter of the field in yards? 1 yard = 3 feet
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Let’s Review Extension Activities Noah ran a 10-kilometer race and a 5- kilometer race. Diana ran a half- marathon, which is about 13.2 miles. Who ran farther? How much farther? 1 mile = 0.6 kilometers 1 kilometer = 1.6 miles
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Let’s Review Extension Activities Michael ran a half-marathon, which is about 13.2 miles. How many kilometers did he run? 1 kilometer = 0.6 miles
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Let’s Review Quick Quiz Carlos ran a 12-mile race. How many kilometers did he run? 1 kilometer = 0.6 miles Some scientists recommend that you drink 8 cups of water each day. How many ounces of water is this? 1 cup = 8 ounces
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