How does the position of the line affect the equation of the line? What can you say about the equations of parallel lines?
Use the clues about the symmetrical properties of these letters to place them on the grid.
Sort these mathematical propositions into a series of 8 correct statements.
Letters have different values in Scrabble - how are they decided upon? And would the values be the same for other languages?
Look at what happens when you take a number, square it and subtract your answer. What kind of number do you get? Can you prove it?
