Page 69 - steps 3b.pdf

RM74

Circles 3b:lq

rn Take 5 paper circles of different sizes.
Write a letter on each one.

~ Fold each circle in half.
Then fold it in half again.
The centre is where the 2 folds meet. Mark it with a pencil.

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~ With a ruler, draw a straight line through
the centre from one side to another.

A line like this is called the diameter.

~ Draw another straight line from the centre of
each circle to its edge.

A line like this is called the radius.

rn:J Glue the circles into your book.
On each one, write which ruled line is
the radius and which is the diameter.

d ia mete r·--#----'
radius----~~~-

Using and interpreting language associated with a
circle (radius, diameter).
~ , 993 Collins Educational (an imprint 01 HarperCollinsPublishers) STEPS 3b Materials: paper circles in diameter sizes; scissors; glue pen