This activity investigates how you might make squares and pentominoes from Polydron.
Using the 8 dominoes make a square where each of the columns and rows adds up to 8
Place the numbers 1, 2, 3,..., 9 one on each square of a 3 by 3 grid so that all the rows and columns add up to a prime number. How many different solutions can you find?
Which of the signals would look the same from the front and the
Can you find pairs of signals that 'match' when seen from in front
What about the order in which the signals are sent? Do they