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Clever sprites: how do computer characters find their way around

In this activity  students experiment with a programme containing a path-finding algorithm. they look at the use of messaging in the programme and record how the length of time an algorithm takes to run is affected by changing the starting conditions.

Comparing super villains: using spreadsheets to make comparisons

There are three parts to this activity:

(A) Students use a comparison table to sort data and make charts about super villains.

(B) They make their own comparison table and charts.

(C) They turn their comparison table into a weighted table.

Friendly databases: what sort of databases do social networking sites use?

In this activity students explore how social networking websites use huge databases. Students create tables for two aspects – user information and another of their own choice. They then discuss how social networking sites use relational databases and explore how their simple tables might be joined up.

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