Maths Magicians and Super Subtractions have been investigating the link between multiplication and division to improve their mental maths skills and speed. This game allows you to practise linking number families by turning the sum around (the inverse). Give it a go if you can and record how you got on in your homework jotter!
http://www.snappymaths.com/mixed/multdivrelate/interactive/multdivinverse/multdivinverse.htm