PowerMath

Photographs, illustrations, and text describe how math was used to decipher coded messages throughout history.

Explains how to use line graphs and tables to analyze information provided by the census taken of the American people every ten years.

This book uses four mathematical operations to describe the Vikings' ships and the Vikings' way of life.

Presents a lesson in word problems through a study of Biosphere 2 and the various ecosystems housed within the structure.

Demonstrates methods for calculating the perimeters and areas of square and rectangles by exploring the ancient Mexican city of Teotihuacan.

Explains how to use double line and double bar graphs to chart and understand information about the ecosystems of the Amazon rain forest and the Sahara desert.

Describes the sun, the inner and outer areas of the solar system, small space objects, and man-made space objects, and presents related addition, subtraction, multiplication, and division problems.

Follows Rita and Carlos Garza as they work on their apple farm. Uses math problems to calculate various business aspects of running the apple orchard. Teaches about growing apples, farm equipment, and selling apples at the farmer's market.

Demonstrates the process of reading map scales to measure distances. Focuses on the history of trade conducted over the Silk Road spanning an area from eastern China to the Middle East between 60 B.C. and the late A.D. 1400s.

Explains how to make a profit at a small business venture, such as a bake sale, focusing on how to determine the unit cost of an item in order that a profit can be made.