Page 56 - 04MATY4 318 STEwsh DRM_Neat

~:t'I']*1'~
PAGE 108

a

5sq. em

20sq. em
b I
mJ I-- -I--

I--t-- 1--1--
10sq. em 1--1--

40sq. em
c
I
I
-t-- I--t--
I
I
10sq. em
1-- 1--
1-- 1--
e f IT]
1-- 1--
'-- '--
40sq. em When you double Practical: estimating Practical: sharing one
d the length the sides and experimenting potful of water equally
of a shape, the area
between 3 identical
with Plasticine to raise
[ 1--1-- I I I 6sq. em 12sq. em is made 4 times as water level in a pots.
I I I
calibrated jug.
large.
1 1
1 J
10sq. em
1--1-- 24 sq. em 48sq. em
I I I I a false b false Best estimates are:
I I I I Challenge
c true d true a 5ml b 200ml
40sq. em
Open: choose materials to draw letters in 1 to e false f false c 5ml d 150ml
half-scale. e 50 ml f 1000 litres