Engage your students with this spooky mystery on percentages of amounts. Students need to use the 12 clues to work out how many sweets Frank gets whilst trick or treating. To do this they will have to work out simple percentages of amounts (10%, 20%, 35%, 50%, 100%) and use some logic.
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.