Being collaborative

What do the numbers shaded in blue on this hundred square have in common? What do you notice about the pink numbers? How about the shaded numbers in the other squares?

Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?

What does the overlap of these two shapes look like? Try picturing it in your head and then use some cut-out shapes to test your prediction.

A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?

Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.

The challenge for you is to make a string of six (or more!) graded cubes.

A task which depends on members of the group noticing the needs of others and responding.

Can you put these mixed-up times in order? You could arrange them in a circle.

Use your logical thinking skills to deduce how much Dan's crisps and ice cream cost altogether.