Multiplication Excel reusable spreadsheets

Reusable mixed ability spreadsheets for Excel / Open Office, covering partition method; repeated addition link with grouping of tens and ones; factors, multiples and products; multiples of five strategy practice by finding multiples of ten and doubling to find the product; multiplying integers and decimals by 10, 100 and 1000; grid method up to hundreds multiplied by tens and ones; long method (ladder method) involving working models for exchange. I.W.B. versions to give children practice as required. All sheets can be reused time and again with the press of the F9 key to generate new numbers with answers (can be displayed on I.W.B. for self-marking and repeated demonstration) and print to A4 to allow as much practice as required with additional sheets for lessons or extra homework practice.