
problem
Skeleton shapes
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
The items in the shopping basket add and multiply to give the same amount. What could their prices be?
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.