Average Speed and Unit Conversion

This video tutorial covers calculating average speed, emphasizing the correct use of formulas and unit conversions. It includes sample questions and practice problems, guiding students through the process of solving average speed problems without a calculator. Additional resources are provided for further help.

What is the purpose of using the Cornell note worksheet during the reteach session?

• To doodle while watching the video

• To calculate average speed

• To take notes, answer questions, and write a summary

• To record the video

Which of the following is NOT a correct method to calculate average speed?

• Substituting numbers into the formula

• Using the formula: total distance divided by total time

• Adding up multiple numbers and dividing by the count

• Converting units when necessary

What is the formula for calculating average speed?

• Total time divided by total distance

• Total distance divided by total time

• Total distance multiplied by total time

• Total speed divided by total distance

In the bus problem, why was it necessary to convert minutes to hours?

• To make the problem more complex

• Because the answer choices were in hours

• To practice unit conversion

• To confuse the students

What was the average speed of the bus in the sample problem?

• 40 km/h

• 30 km/h

• 50 km/h

• 20 km/h

In the toy car problem, what was the average speed during the two trials?

• 2.0 m/s

• 1.4 m/s

• 1.5 m/s

• 1.0 m/s

How do you handle decimal points in the toy car problem?

• Round them to the nearest whole number

• Convert them to fractions

• Move them to make calculations easier

• Ignore them

In the student walking problem, what is the correct unit conversion for 30 minutes?

• 0.3 hours

• 0.5 hours

• 2 hours

• 1 hour

What is the average speed of the student in the walking problem?

• 5 km/h

• 2 km/h

• 3 km/h

• 4 km/h

Where can students find additional help if they struggle with math concepts?

• Social media

• Online shopping sites

• Khan Academy

• Video games