Average Speed 7A

Presentation

•

Mathematics

•

8th Grade

•

Medium

Used 3+ times

FREE Resource

12 Slides • 8 Questions

Average Speed

Everyone should have notes on average speed. Don't forget to write your name, date and day on top of the worksheet.

While watching the video fill in the blanks on your worksheet

Multiple Choice

What is the formula to calculate speed?

Speed = Distance x Time

Speed = Distance/Time

Speed = Time/Distance

Speed = Time x Distance

Multiple Choice

What is the equation to calculate distance?

distance = speed/time

distance = time/speed

distance = speed/distance

distance = speed x time

Multiple Choice

What is the equation to calculate time?

time = speed/distance

time = distance/speed

time = speed x distance

time = distance x speed

Next slide Video on example 1

Don't forget to copy and understand the examples while you watch the video

Try yourself 1

Try to solve the problem inside your worksheet first then type in the answer on the next slide to check your answer.

Fill in the Blanks

Try yourself 1

A car traveled for 5 hours at 60km/h and then 3 hours at 80 km/h before it finally reached its destination. What is its average speed?

(don't forget to write your unit in km/h without space)

Type answer...

Next slide Video on example 2

Don't forget to copy and understand the examples while you watch the video

Try yourself 2

Try to solve the problem inside your worksheet first then type in the answer on the next slide to check your answer.

Fill in the Blanks

Try yourself 2

Ali drove 200km with an average speed of 50km/h in the morning and travelled 360km with an average speed of 60 km/h in the afternoon. What was the average speed of his journey?

(don't forget to write your unit in km/h without space)

Type answer...

Next slide Video on example 3

Don't forget to copy and understand the examples while you watch the video

Try yourself 3

Try to solve the problem inside your worksheet first then type in the answer on the next slide to check your answer.

Fill in the Blanks

Try yourself 3

Haslina ran a distance of 320 meters in 50 seconds and another 160 meters in 30 seconds. What was her average speed?

(don't forget to write your unit in m/s without space)

Type answer...

Multiple Choice

Constant speed is:

When the speed increases or decreases

When the speed of the object does not change

Multiple Choice

What is the formula for average speed?

Average Speed = Total Time undefined Total Distance

Average Speed = Total Time + Total Distance

Average Speed = Total Distance $\div$ Total Time

Average Speed = Total Distance $\times$ Total Time

Next do the exercise question 1 -5

Don't forget before the end of lesson to self assess the lesson today on the paper given.

Average Speed

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