Unit Conversion Methods and Applications

The video tutorial explains how to use unit fractions to convert between meters and feet. It demonstrates two methods for each conversion, highlighting the importance of simplifying units and rounding results to the hundredths place. The tutorial emphasizes the ease of using a unit fraction with a denominator of one for manual calculations and notes that approximate conversions may yield slightly different results. Both methods are acceptable for homework purposes.

What is the purpose of using a unit fraction in unit conversion?

• To avoid using decimals

• To make the numbers smaller

• To ensure the units cancel out correctly

• To simplify the calculation process

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CCSS.2.MD.A.2

In the first conversion method, what is the approximate value of 1 foot in meters?

• 3.281 meters

• 1.5 meters

• 0.305 meters

• 0.5 meters

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CCSS.2.MD.A.2

When using the first conversion method, what operation is performed with 25 meters?

• Multiplication

• Subtraction

• Division

• Addition

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CCSS.2.MD.A.2

In the second conversion method, what is the approximate value of 1 meter in feet?

• 0.305 feet

• 3.281 feet

• 2.5 feet

• 1.5 feet

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Why might the second conversion method be easier to perform by hand?

• It uses smaller numbers

• It requires no calculations

• It uses a denominator of one

• It involves addition

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CCSS.2.MD.A.2

What is the rounded result of converting 25 meters to feet using the first method?

• 81.97 feet

• 82.03 feet

• 83.00 feet

• 80.00 feet

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CCSS.2.MD.A.2

What is the rounded result of converting 25 meters to feet using the second method?

• 81.97 feet

• 83.00 feet

• 82.03 feet

• 80.00 feet

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CCSS.2.MD.A.2

What is the first step in converting 12.5 feet to meters?

• Write 12.5 feet as a fraction with a denominator of one

• Multiply by 0.305

• Divide by 3.281

• Add 1 meter

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CCSS.2.MD.A.2

Using the first conversion method, what is the approximate result of converting 12.5 feet to meters?

• 3.50 meters

• 4.00 meters

• 3.81 meters

• 3.00 meters

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CCSS.2.MD.A.2

Using the second conversion method, what is the approximate result of converting 12.5 feet to meters?

• 3.81 meters

• 4.00 meters

• 3.00 meters

• 3.50 meters

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CCSS.2.MD.A.2