Three differentiated sheets: 'Yo olde Theatrical props Warehouse&' daily hire charges [easy], weekly hire charges [middle], monthly hire charges [harder]. Children can create own addition calculations, use sheets for mental calculation, or more..e.g. cost of two week&';s hire of ...you have £200 budget, what will you hire? You have six archers...cost of their equipment for a day?... Use sheets as you wish! Word doc allows you to alter costs. Hope you find this resource useful. Please leave feedback if you like it!