## A Change in Code

Can you find the percentage increase if the results appear in code?...

Can you find the percentage increase if the results appear in code?...

Solve the equations to identify the clue numbers in this Sudoku problem....

Dotty Six is a simple dice game that you can adapt in many ways....

Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of three dominoes?...

Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?...

Find the next two dominoes in these sequences....

Make a chair and table out of interlocking cubes, making sure that the chair fits under the table!...

Can you solve the system of equations to find the values of x, y and z?...

A tilted square is a square with no horizontal sides. Can you devise a general instruction for the construction of a square when you are given just one of its sides?...