Engage your students with this festive mystery! Students need to use the 12 clues to work out how many elves Santa needs to make all his presents. To do this they will have to work with time, basic percentages and arithmetic. They will also have to work in a logical and methodical way and they will have to use mathematical reasoning.
Mystery activities like this are a great way to develop problem solving skills. The resource can be used in a variety of ways and includes full instructions, a worked solution and ideas for support and extension.