Topics Covered in this Book: Compare and order whole numbers, fractions, and decimals on a number line Understand and apply concepts of lines and angles (e.g. parallel and perpendicular) Identify polygons Understand the relationship of the circumference of a circle, its diameter, and pi (tt ~ 3.14 ) Measure and find the area and the perimeter of twodimensional shapes using formulae. Measure and find the volumes of cubes and rectangular prisms using formulae. Coordinate Geometry Convert measurement units within a system