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Numeracy problems
to solve for Key Stage 1, 2 and 3 from our Numeracy Team. The
latest problem is here
New problems every 2 weeks, with answers 2 weeks later:
Key
Stage 1 Solve it...! Rainbow
Riddle
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Wesley has designed
a mulit-coloured logo. The printers have told him that no coloured square
can share a side with its neighbour in the rainbow.
Task
Use the numbers or colours to show how the design can be coloured in
. Is there more than one way?
1
= red
2 = orange
3 = yellow
4 = green
5 = blue
6 = indigo
7 = violet
8 = black |
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An Extra Task
What if no colour could even touch its neighbour at a corner?
Show how the design could be done then.
Key
Stage 2 & 3 Solve it...!
The Hungry Spider |
A spider is
in the top corner (A) of a rectangular room, 10m long, 5m wide and 3m
high. The spider spots a tasty snack in the furthest corner of the room
at (G).
Task
What is the shortest distance the spider could travel along the edges
of the room to claim its prize?
An extra task
If the spider can walk diagonally across walls and ceilings, is there
a more direct route? Can you show your routes on a scaled net?
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