Mathematicians are always looking for efficient methods for solving problems. How efficient can you be?
Can you find a way to identify times tables after they have been shifted up?
How could Penny, Tom and Matthew work out how many chocolates there are in different sized boxes?
Many numbers can be expressed as the difference of two perfect squares. What do you notice about the numbers you CANNOT make?
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?
Can you explain the surprising results Jo found when she calculated the difference between square numbers?