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5

Enlarging diagrams

Pencil and paper
Keywords: 
area
enlargement
invariant properties
length
scale
scale factor
Students enlarge a diagram to a given scale.
4

Enlarge the arrow

Pencil and paper
Keywords: 
area
drawing
enlargement
invariant properties
length
scale factor
In this practical task students use a ruler, a protractor, and a compass to enlarge an arrow by two given scale factors. They then complete a table to show the invariant properties.