This program is designed to help learners extend basic math concepts to solve more abstract and difficult problems. The students encounter our base ten number system and its unique relationships, properties and patterns in the world of whole numbers.

Teacher's guide available under Additional info tag.

Includes: - Properties of addition and subtraction - Special features - Discussion questions and activities - Chapter select Ordering and comparing large numbers Rounding large numbers Adding whole numbers Subtracting whole numbers Subtraction:regrouping numbers with middle zeroes Properties of addition and subtraction ; Special features: discussion questions and activities;chapter select.