Page 16 - 01-Yr5_Front cover-ccp.indd

18 ,
large sheet of paper; piece of card
• Draw 4 circles with a 10cm radius @ •••••••••••••
R otabng patterns obout8cm x 8cm; scissors; paper
fostener; compasses; protractor
ri'J rn Remove the template and rub out the pencil lines.
on the large sheet of paper. Decide how to colour your shape. ~=M·l~1U~
Divide each circle into 45° sectors
using light pencil lines.
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,_, •':' C"' oo '°''""'"' •Moo •mm '"° m<oO" I]] Mark a point B in a new position.
of the card. Keep the template and the stencil. Repeat the activity using another
·~ prepared circle.
C[J Mark a point A anywhere an the template. ' ~ \ /
Pierce it and push a paper fastener through. \-. ·--- 10 -)
Attach the fastener to the centre \ I •
of one of the circles. ·'<--..___ ____ ____.~ ~ Now use your stencil.
Mark two points C and D on your stencil.
Line up one point of the template
with a radius. Draw around the
template in pen. [2J Use points C and D as centres of rotation to make patterns
in the same way with your other two circles.
/
!]1j Rotate the template 45° until the same point ;;;
lines up with the next radius ___ 0 . ~·
Draw around the template in pen.
\
I]] Repeat the lost instruction 6 more times ~c-
until you get back to the start. [i] Copy and complete.
Copy and complete.
When using the ...... , the centre of rotation was inside the shape.
This shape has rotational symmetry
of order ...... because .. When using the ...... , the centre of rotation was outside the shape.

Practical: draw a pattern with Practical: draw patterns with
rotational symmetry using a rotational symmetry using a
template. template and a stencil.
This shape has rotational symmetry
of order 8 because it maps onto
itself 8 times in a full turn
When using the template, the
centre of rotation was inside the
shape.
When using the stencil , the centre
of rotation was outside the shape.