Page 41 - 04MATY4 318 STEwsh DRM_Neat

42 Cuisenaire Rods.
• Rod problems . • • metre rule (if wanted)

Here are the Cuisenaire Rods, drawn half-scale, with their colours and lengths.
IJ LO
orange 10em white 1 em
I
blue gem
ton Bcm
J U eli
yellow Scm
block 7em red 2em
~
pink 4em
dork green 6 em
light green 3 em
• Work out the answers to these problems without using real rods.
• Write down what you do to show your teacher.
• Afterwards, check with rods and a metre rule, if you want.
CD Find the total length these will make, fitted end to end.
a 3 red and 4 black rods b 5 pink and 2 blue rods
c 8 tan rods and 5 light green rods d 6 orange and 5 dark green rods
e 9 yellow and 5 blue rods f 8 black and 4 blue rods
g 9 light green and 8 dark green rods h 7 yellow and 7 pink rods
London
Rugby Each set of these rods, fitted end to end, will equal 64 cm.
Stafford Find the missing number or colour in each set.
Stoke-on-Trent a 5 tan and ..... light green rods b ..... tan and 8 pink rods
Manchester c ..... orange and 7 red rods d 4 ........ and 6 dark green rods
e 6 blue and 5 ........ rods f ..... black and 3 yellow rods

CHALLENGE
Find the missing numbers or colours.
b Some friends will join the train "7 ...... and 3 ...... rods equal 42cm·.
at Stoke-on-Trent. •. .. yellow and ... green rods equal 43 cm.
What time does your train get there?
C What time will you reach Manchester?

rn rn Challenge

a London 13:05 b London 17:20 a 34cm a 5 tan and 8 light green rods 7 light green and 3
Rugby 14:00 Rugby 18:15 b 38cm b 4 tan and 8 pink rods black rods equal 42 cm
Stafford 14:40 Coventry 18:25 c 7Qcm c 5 orange and 7 red rods 8 yellow and 1 light
green
Stoke-on-Trent 14:50 Birmingham 18:45 d QOcm d 4 black and 6 dark green rods
or 5 yellow and 6 light
Manchester 15:30 Wolverhampton 1 q:05 . e QOcm e 6 blue and 5 red rods green
f Q2cm f 7 black and 3 yellow rods or 2 yellow and 11 light
g 75cm green
or 5 yellow and 3 dark
b 11 :00 c 11 :40 h 63cm green rods equal
43cm.