A drive to recycle cans on Earth Day teaches the children of the Maple Street School Save-the-Planet Club about place value.

Have you ever built something really big with building blocks? Did you need to use hundreds of blocks? Read about an after-school center, where the toys are counted in ones, tens, and hundreds -- and it's easy to see place value in the numbers.

Introduces young children to the use of place values in mathematics.

"During recess, friends learn about place value by working together to add and subtract by tens on the playground at school."--

"Class 301 has won a real truckload of number cubes. Fractions Frank, the caretaker, has found some boxes that hold different amounts of cubes--ones, tens, hundreds, and thousands. The children see how the smaller boxes can all fit into the larger ones. They put these groups in columns to create a numeral. And just when they think they are done, another truck pulls up and they have to start again! Simple sentences and easy-to-understand exercises...

"Mathematical concepts of "greater than" and "lesser than" are introduced through a story about building a playground. Readers learn about place value as they help the builder gather and bundle materials. Different methods of determining place value are used such as place-value blocks and linking cubes. Includes a discover activity, history connection, and mathematical vocabulary introduction"--

"Understanding place value is the key to comprehending large numbers and to learning strategies to easily add and subtract such numbers. In this fun book, readers will practice place value skills presented by the monsters called ogres! Delightful illustrations and intriguing folklore fact boxes accompany the achievable text. Readers will also answer math problems throughout the motivating volume, allowing them to assess their understanding of the...