How many moves does it take to swap over some red and blue frogs? Do you have a method?
How many trains can you make which are the same length as Matt's and Katie's, using rods that are identical?
Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
How was the data for this problem compiled? A guided tour through the process.
This article, written for primary teachers, links to rich tasks which will help develop the underlying concepts associated with fractions and offers some suggestions for models and images that help support ideas around fractions.
Can you help the children in Mrs Trimmer's class make different shapes out of a loop of string?
