This workbook deals with more advanced forms of measurement, including pre-geometry concepts like perimeter and area, and data skills like graphing and charting.

Children learn early math by dealing with objects in place of numbers. These worksheets cover concepts of quantity, counting, and even adding and subtracting, using animals and nature to help teach.

Circles, squares, diamonds and polygons; this book focuses on the most basic ones, and some silly shapes too. Kids can trace, draw and match shapes to the heart's content. Hey that's a shape, too!

When your fourth grader is ready to move on to multiple-digit addition and subtraction, these riddles will make review fun and challenging.