Learn all about subtraction with this fun activity book. The host of friendly monster characters encourage children to complete activities including a monster rocket launch, a monster fairground and a monster feast. Children can practise subtraction using numbers up to 10 while improving their pen control, number recognition and counting skills. Activities include numbers to trace, sums to complete, simple drawing and wiping away, and fun things to spot. Durable wipe-clean pages allow children to complete the activities again and again with the special pen. Part of the hugely successful Usborne Wipe-Clean series which includes 'Wipe-Clean First Numbers' and 'Wipe-Clean Adding'.