If you put three beads onto a tens/ones abacus you could make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?

What is the least number of moves you can take to rearrange the bears so that no bear is next to a bear of the same colour?

This task requires learners to explain and help others, asking and answering questions.

This is a game in which your counters move in a spiral round the snail's shell. It is about understanding tens and units.

Arrange 3 red, 3 blue and 3 yellow counters into a three-by-three square grid, so that there is only one of each colour in every row and every column

Jack has nine tiles. He put them together to make a square so that two tiles of the same colour were not beside each other. Can you find another way to do it?

This task depends on groups working collaboratively, discussing and reasoning to agree a final product.

Take a counter and surround it by a ring of other counters that MUST touch two others. How many are needed?

Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?

Put 10 counters in a row. Find a way to arrange the counters into five pairs, evenly spaced in a row, in just 5 moves, using the rules.