Challenge Level

Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?

Challenge Level

Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.

Challenge Level

These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?

Challenge Level

Can you go through this maze so that the numbers you pass add to exactly 100?

Challenge Level

This dice train has been made using specific rules. How many different trains can you make?

Challenge Level

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

Challenge Level

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

Challenge Level

This challenge extends the Plants investigation so now four or more children are involved.

Challenge Level

A game in which players take it in turns to choose a number. Can you block your opponent?

Challenge Level

How many solutions can you find to this sum? Each of the different letters stands for a different number.