Computer Control in KS2        

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Short focussed - Tasks 4

Repeat Command

Discuss with the children their previous experiences with the repeat sequence when using the Valiant Roamer.

To introduce the Repeat command demonstrate how to draw a square. 

Method 1

Open Command line from the Turtle menu. The Logo command dialogue window opens on screen.

Enter the following:

Repeat 4 [fd 40 rt 90]

Press the Enter key

The above code will also work in the Valiant Roamer.

Method 2

1. Choose Procedures... from the Turtle menu.

2. Click the New button on the Procedures window.

3. Input a suitable name [SQUARE] on the Create procedure window

   An input window for the procedure opens

4. Input the procedure and click the Run button.

Example program

SQUARE

Pendown

Repeat 4

Forward 50

Right 90

Using a prepared worksheet 

ask the pupils to predict 

the shapes generated sequences, such as:

Pendown

Repeat 6

Forward 15

Right 60

 

Pendown

Repeat 10

Forward 20

Right 36

For more examples click this link

For further information on this task visit...

http://www.standards.dfes.gov.uk/schemes2/it/itx4e/04eq4?view=get

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