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• . .. and more percentages • Zig-zags •••••••• ,.
'----~-----'
'tIt? l}U ~
On this grid of 100 triangles
40% are green
30 % are red
30% are blue
OJ a Colour the grids on RM 36 to create patterns.
b Cut out each pattern and glue it in your book.
c Underneath each one, write the percentages of colours used.
OJ Draw lines of these lengths.
o 9.5cm b 11 .5cm c 3.5cm d 0.5em
[3] a b
e 2 em longer than 8.5 em f 3 cm shorter than 16.5 em
g half as long as 13 em h three times as long as 2.5 cm
These zig-zags each measure 10 cm in length.
@] Copy these shapes. Write percentages in the circles 6.scm b ~s.scm 2cm
to make eaeh side add up to 100%. /'l
rn a 2.Scm
3.Scm
6.5cm + 3.5cm = 10em 5.5cm + 2cm + 2.5em = 10cm
Practical: colouring
grids on RM 36 to [3] Draw 5 different 10 cm zig-zags like example o.
create patterns and @] Draw 5 different 10 cm zig-zags like example b.
writing percentages GJ Try to swap your zig-zags with a friend and cheek eaeh other's work.
underneath. GJ Something is wrong with these statements.
Write about them.
CHALLENGE
• Draw the longest zig-zag you can
with lengths whieh include half em lengths.
Practical: colouring • Find its total length.
%
100 of a square and
0% of a circle.

rn

a b c Practical: drawing lines of these lengths: Practical: drawing 5
a q'5 cm b 11·5 cm c 3·5 cm d 0·5 cm different 10 cm zig-
e 10·5 cm f 13·5 cm g 6·5 cm h 7·5 cm zags with one angle.

Practical: drawing 5 different 10 cm zig-zags Practical: checking
with two angle. each other's work.
a 50% and 40% only add up to qo% of the children.
Challenge
b 150% is more than all (100 % ) of his friends.
Drawing a long zig-zag with lengths which include half-centimetres and
c 50% and 30% and 30% add up to more than 100 % . finding its total length.