A really useful teaching tool for modelling multiplication and the relationship between multiplication and division.
Partial Product FinderPartial Product Finder allows multiplication combinations to be represented as a rectangle, or array. Arrays up to 50 x 50 can be shown. The resource can be used to represent straightforward multiplication, as in times tables.
Ten FramesA very versatile teaching tool which has 5, 10, 20 and 100 frames or grids as the facility to make your own custom frame. It could be used for addition especially number bonds, subtraction as well as creating multiplication arrays.
Fishy Times TablesA clever interactive which demonstrates times tables up to 10 x 10. It is useful for showing the commutative law of multiplication which means you can multiply numbers in any order and the answer is the same.
Interactive Teaching Program on AreaThis interactive teaching tool can be used in a variety of mathematical contexts such as multiplication arrays, finding different shapes with the same area, nets and more. It is useful because there are different backgrounds such as dots.
Big PictureBig Picture, from the Wellcome Trust, is aimed at post-16 biology teachers and students has a fantastic array of free online resources including activities, animations, videos, lesson plans, articles, images, and more.