Unit Conversion and Dimensional Analysis Techniques

Why is it important to keep track of your units during conversions?

• To simplify the problem

• To avoid using a calculator

• To make the process faster

• To ensure the answer is accurate and in the correct unit

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CCSS.4.MD.A.1

What does a conversion factor represent?

• The ratio of one unit measure to another

• The sum of two units

• The difference between two units

• The product of two units

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CCSS.6.RP.A.3D

What is the general rule of thumb for unit conversions?

• Divide the given unit by the desired unit

• Multiply the given unit by the desired unit over the given unit

• Subtract the given unit from the desired unit

• Add the given unit to the desired unit

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CCSS.6.RP.A.3D

How many centimeters are there in a meter?

• 100

• 1000

• 0.1

• 10

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CCSS.2.MD.A.2

If you have 4 meters, how many centimeters do you have?

• 40

• 400

• 4

• 0.4

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CCSS.2.MD.A.2

What is the conversion factor for inches to centimeters?

• 1 inch = 2.54 centimeters

• 1 inch = 1.54 centimeters

• 1 inch = 3.281 centimeters

• 1 inch = 0.254 centimeters

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CCSS.2.MD.A.2

How many inches are there in 8 meters, given 1 inch = 2.54 centimeters?

• 50 inches

• 100 inches

• 203.2 inches

• 314.96 inches

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CCSS.2.MD.A.2

What is the process of converting measurements known as?

• Dimensional analysis

• Unit tracking

• Measurement conversion

• Factor multiplication

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CCSS.6.RP.A.3D

Why is dimensional analysis useful in physical sciences?

• It ensures accurate measurements

• It simplifies complex problems

• All of the above

• It helps in understanding relationships between units

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CCSS.6.NS.B.3

What should you do if you are given a problem to convert units?

• Directly multiply the given value by any number

• Ignore the units and focus on the numbers

• Use a calculator without considering the units

• Pause and think about the conversion factors needed

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CCSS.4.MD.A.1