Task 2 Objectives: Today you will learn: § How we can use diagrams (flowcharts) to show a set of instructions. § How we can make a task easier by breaking it down into smaller ones. § Why computers need very precise instructions to make them work. § How decisions in instructions affect how they are carried out. I am looking for you to: · Write concise instructions to carry out a simple task · Understand what the different flowchart symbols mean
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Instructions		Help and Resources	Examples		Time
		Welcome
2.1 Recap last lesson and look at a flow chart		View teacher slide show			5
2.2 Pupil Resource 2.1 shows event table for the lights at a narrow bridge. Use flow diagram symbols to show each step of the sequence. Some steps have been done for you. Use the Traffic Light Sequence and Bridge Light Sequence to remind you of the order in which lights change.		Save Target as: Pupil resource 2.1	Pupil resource 2.1 completed Traffic Light Sequence Bridge Light Sequence		10
2.3 Watch your teacher demonstrate how to start Flowol and create control programmes.					5
2.4 Copy how the flow chart you have had time to draw into Flowol to control Bridgligh.					10
2.5 Make how ever much of the flow chart you have had time to enter loop back to the first step.		View teacher slide show			5
2.6 Watch a demonstration of how to save Flowol programmes
2.7 Extension: Make another program in Flowol to allow more traffic to pass one way than the other.					5

Teacher info: KS3 Strategy lesson plan

Keywords:

From Y6: input, output, process, sequence of instructions,

From Y7: efficient, flowchart, program

Other: decision, logic, start, stop