Problem+solving

**Problem solving - to work out the answer to a problem from []  Interactive sites for teachers to use with their students ** [|1.] a great site for a range of open-ended problems [|2.]thinking blocks for a different approach to solving problems - also a range of maths activities including problem solving [|3.] Doug Clark's site for teachers to use [|4.] a free tour of Maths 300 – site & individual purchase of many excellent activities, resources available [|5.] great site for younger kids – all areas of maths