The teacher’s edition of Language of Numbers 3 includes the complete text of the student edition along with answers, teaching instructions, and techniques. Your students will gain command of the language of numbers by applying what they learn during teacher-led lessons. Problem-solving, self-reliance, and mental arithmetic skills grow. Accuracy improves through understanding and the intelligent use of drill and thoughtful exercises. See product images for a complete list of the topics covered by Language of Numbers Unit 3.