Educational Activities The Winnipeg School Division No. 1
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MSWLogo - Programming Snowflakes (Logoflakes) - SS-VIII.1.8

(Originally from the Inner City Technology Goals Document – June 1997)

Description:
Students design snowflakes in MSW Logo.

Art: Yes

Math: Yes

TypeLessonPlan: Unit Plan - Complete Unit

TechnologySkills: Programming, file management, using multiple programs

SoftwareUsed: MSW Logo

EarlyYears: Yes

MiddleYears: Yes

S1-S4:

SpecificGrade:

Submittedby: Brian Proctor

E-mail: proctor@minet.gov.mb.ca

Details:
Create the following procedure in Logo. Save the Logo file to a shared directory so the children can access it. The file may be accessed through File, Load off the Logo tool bar.

to polygon :sides :length
repeat :sides [ fd :length rt 360/:sides ]

This procedure will be able to generate any size figure with any number of sides. Try out the following examples.

polygon 5 100
polygon 3 100
polygon 6 100
polygon 12 100

Now try inserting our polygons into repeat commands like the following examples:

repeat 16 [ polygon 3 100 rt 30 ]
repeat 12 [ polygon 5 60 rt 30 ]
repeat 11 [ polygon 12 20 rt 66 ]

These "flakes" can then be saved as .bmp files through Bitmap, Save as..., printscreened onto the Clipboard and pasted into Paintbrush or printed directly from Logo through Bitmap, Print. The bitmap files (.bmp) can be opened in any graphic program e.g. Paintbrush, and colored using the fill color tool. The printed flakes can of course be colored by hand. Encourage the children to experiment. You will be amazed by what they come up with. Practice on a few yourself first.



Filename:  Mathematics Logo Programming Snowflakes.htm