Excel Fractions mixed ability spreadsheet reusable resources

Reusable mixed ability Excel spreadsheets for Excel / Open Office covering fractions and associated links: addition, subtraction and multiplication of fractions; times table link strategies for practice; improper and mixed fractions conversion; conversion to decimals and percentages by making the denominator 10, 100 and 1000; finding a percentage of a number strategies e.g. finding 1, 10, 50 percent and multiplying, halving, etc.; ordering fractions by use of a common denominator; fraction parts in whole numbers; fractions of numbers where the numerator is one and greater than one; equivalent fractions and lowest terms included. I.W.B. versions with working models to show improper and mixed fraction links and conversions. 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.