Page 39 - 01-Yr5_Front cover-ccp.indd

The symbol 1t is called 'pi' after a letter in the Greek alphabet.
It is pronounced 'pie'.
It is used to represent the number 3·14 (to 2 decimal places).
So 1t = 3·14.
This is the number of times the circumference of any circle
is greater than its diameter.

~ Use your calculator to find the lengths of wrappers
needed to fit around these cans .

.,__7___. ........... -

@] • Use your calculator to find the c d 7t
missing measurements in 7·5m 3·14
this chart.
8·7m 3·14
• Show the answers to
48·67cm 3·14
2 decimal places.
84·78cm 27cm

STEPS 5:8