Calculating Average Speed Using the d=rt Formula

Calculating Average Speed Using the d=rt Formula

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

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The video tutorial explains how to calculate average speed using the formula D = RT. It begins with an introduction to the concept of average speed and the importance of considering speed changes during a trip. The formula D = RT is explained, highlighting the roles of distance, rate, and time. The tutorial discusses graphing distance over time and the common misconception of assuming constant speed. It emphasizes the need to calculate average speed for different segments of a trip for accuracy. The video concludes with the real-life application of these calculations, demonstrating how average speed provides a more accurate representation of a journey.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula used to calculate average speed?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the variable 'D' represent in the formula D = RT?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the significance of the origin in graphing distance over time.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain why the average rate of speed may not be constant during a trip.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How can the average rate of speed be calculated for different segments of a trip?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the average speed during the first segment of the trip?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to calculate the average rate of speed for each part of a trip?

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