Examples of what pupils should know and be able to do
Probing questions
Given that a person averaged 40 mph on a car journey that took 3 hours, is it correct to say that after one and a half hours they had travelled 60 miles? Why?
Give me some examples of statements that are definitely true.
Give me some statements that could be true.
What if pupils find this a barrier?
Ensure pupils have an understanding of a rate. Use straightforward contexts, e.g. £1.50 per dozen eggs, wages of £5 per hour, 8.2 miles per litre.
Relate this to conversion graphs.
Start distance/time with very simple examples using mph, e.g. how long does it take to travel 100 miles at 50 mph?
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