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?
Start with four numbers at the corners of a square and put the
total of two corners in the middle of that side. Keep going... Can
you estimate what the size of the last four numbers will be?
Find a great variety of ways of asking questions which make 8.
We had correct solutions to this problem from Rebeccawho goes to
Lexden Primary School, and also from Jake, Sam, Rebecca, Ryo, Luke,
Katie and Charlie from Moorfields Junior School. Ryo and Luke
explain how they arrived at the answer:
We used $10$ and $5$ for $15$, $10$ and $6$ for $16$, $10$ and
$2$ for $12$, $10$ and $9$ for $19$, $10$ and $4$ for $14$, $10$
and $1$ for $11$, $10$ and $7$ for $17$ so we did not use $10$ and
Rebecca from Lexden Primary goes on to say:
The flower number $18$ has no butterflies. It needs a $10$ and a