Learning about maps By Staff Reporter - April 25, 2019 Share on Facebook Tweet on Twitter Hayley Jurgens, Kendra Carelse and Leah Abrahams. Grade 7s at Sun Valley Primary School were taught all about topographical maps, their properties and learning to use them to navigate their way. This knowledge will come in handy when they set off on a Constantia hiking trail soon. 1 of 2 Hayley Jurgens, Kendra Carelse and Leah Abrahams. Hannah Kierman, Maddy Strydom and Ben Hansen.