There are to be 6 homes built on a new development site. They could
be semi-detached, detached or terraced houses. How many different
combinations of these can you find?
This challenge is to design different step arrangements, which must
go along a distance of 6 on the steps and must end up at 6 high.
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Daman at St.Joseph's School in Vancouver, Canada; David from
Tithe Barn Primary School and Alice agreed on the answer to
Coloured Squares. David explains how he tackled it:
I did this puzzle by working through the clues one by one. I
used multilink to represent the colours and used pink instead of
I thought at first that the order on one of the lines was:
green, orange, blue. Then I knew that orange was underneath so I
did that too. Then I knew that yellow was to the left of purple and
orange so I altered it completely. I made the top row: red, blue,
green and underneath: yellow, purple, orange. Here is the image
that David sent: