Students are given the formula of two different types of chlorophyll. Students name all the elements present, and how the number of atoms differs between the chlorophylls.
Students answer questions about total cost, cheapest, most expensive, and the maximum number of books that can be bought. Book prices are decimal numbers.
Students read an extract from the narrative 'The Adventures of Huckleberry Finn' and answer a combination of multiple-choice and short answer questions.