Date post: | 18-Jan-2018 |
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Upload: | clifford-wilkinson |
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What is our new topic?
Speeding up Aim: To calculate speed.
Key words: distance, time, speed, accurate.
Learning outcomes Know how to calculate speed. Use a formula to calculate speed. Be able to represent data in a
graph.
Key words: distance, time, speed
Units of measuremnet
27mph
64mph
185mph
1875mph
2045mph
Calculating speedSpeed = distance ÷ time
If we know the distance an object travels and the time it takes we can calculate the speed.
How fast do you walk or run? How could you find out how fast you walk or
run? To find out how fast I walk or run I could….
What will you need to measure to find out? To find out my speed I need to measure……
What will you use to make accurate measurements?
To make accurate measurements I will….
Recording the evidenceTest Distance
( )Time
(min/s)speedm/s
123
CHALLENGE: Calculating the mean. Add up all the times ÷ the number of tests.
Test Distance( )
Time (min/s)
speedm/s
123
Test Distance( )
Time (min/s)
speedm/s
123
Considering the evidence The distance = Mean time = I walked / ran. How I calculated my speed:
My speed was =
Help! MEAN: The sum of a list of numbers, divided by the total number of numbers in the list
Challenge task:
Plenary