Take three consecutive numbers and add them together. What do you notice?
A game in which players take it in turns to choose a number. Can you block your opponent?
Can you use the clues to complete these 5 by 5 Mathematical Sudokus?
Play the divisibility game to create numbers in which the first two digits make a number divisible by 2, the first three digits make a number divisible by 3...
Each clue in this Sudoku is the product of the two numbers in adjacent cells.
A country has decided to have just two different coins. Which totals can be made? Is there a largest total that cannot be made? How do you know?
Can you find a way to identify times tables after they have been shifted up or down?
Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make?
How many different number families can you find?
