Mathematics 1 ESO
“Contents”: are a copy of the contents pages of the book itself.
“Two Sample Pages”: are a copy of two pages of the book. If you are a teacher considering this material, they give an idea of what the book look is like before you buy it.
“Listenings”: are the audios of some pages read by a native (usually two pages per unit).
“Extra Activities”: The book contains activities along the units and at the end of the units. These extra activities complement those activities in the book and expand on them, giving the possibility of making them a little more interactive.
“Quizzes”: They expand on the extra activities and give the possibility of testing your knowledge on a more fun way.