
How many shapes can you build from three red and two green cubes? Can you use what you've found out to predict the number for four red and two green?

An investigation that gives you the opportunity to make and justify predictions.

Use the sightings of the lion to guess the location of its lair.

Can you guess the colours of the 10 marbles in the bag? Can you develop an effective strategy for reaching 1000 points in the least number of rounds?

Can you decode the mysterious markings on this ancient bone tool?

Can you make a hypothesis to explain these ancient numbers?
Jake and Ellie approached this problem in a similar way and have explained clearly what they did.
An extra constraint means this Sudoku requires you to think in diagonals as well as horizontal and vertical lines and boxes of nine.