Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?
Make a set of numbers that use all the digits from 1 to 9, once and
once only. Add them up. The result is divisible by 9. Add each of
the digits in the new number. What is their sum? Now try some other
possibilities for yourself!
Can you explain the strategy for winning this game with any target?
We received many correct solutions to this
Elizabeth, Holly, Kelly, Harrison, Harry and
Matthew from Miss Rowcliffe's Maths Class in Upton Heath C of E
Primary School in Chester sent us this solution:
Lydia from Woolmer Hill School sent in this
Vicky and Katrina, also from Woolmer Hill
School, submitted this solution:
Ben, Henry, Joseph, Simon, Michael and
Jake from Hampton School sent us these three different solutions.
Heidi, Lucy and Natasha from Millais
School sent us this record of their work:
Poppy and Hazel, also from Millais
School, reported that: