Dowdy, Penny

A simple introduction to time that discusses clocks, how to tell time, parts of a day, calendars, months, and years. Includes a glossary.

An introduction to the concept of measurement, discussing ways to measure, measuring tools, mass, capacity, and other topics.

An introduction to the concept of money, explaining the value of pennies, nickels, dimes, quarters, dollars, and other denominations.

A simple introduction to geometry that describes lines, circles, triangles, sides, spheres, cones, pyramids, prisms, and cubes. 'Includes a glossary.

Introduces readers to plant cells, plant cell structure, and how growers use their knowledge of cell growth to create new plants.

Introduces readers to animal cells, what they are made of, and how genetic material inside cells perform their function.

Photographs and text help young readers to understand the concepts of simple fractions.

A simple introduction to time that discusses clocks, how to tell time, parts of a day, calendars, months, and years. Includes a glossary.

A simple introduction to estimation that explains how it is used, modeling, chunking, and other related concepts. Includes a glossary.

Photographs and text help young readers to understand the basic concepts associated with graphing.