"The scale of things means how one thing compares in size to another. In this book, appealing illustrations help kids understand scale by comparing many different kinds of dinosaurs by their length from head to tail"--

"Grab your jumbo popcorn and 3-D glasses, because you're invited to the premiere of a 3-D movie! The star-studded cast of monsters will help you calculate the perimeter of the set, the area of the movie screen, and the volume of your popcorn box. Learning about dimensions has never been so entertaining."--Amazon.com

"An exploration of the metric system, including centimeters, grams, and liters"-- "Used in almost every country in the world, the metric system is an easy-to-use way of calculating length, distance, weight, and volume. Look at the label of a soft drink. You'll see both ounces and milliliters or gallons and liters listed. For kids who love to interact with their environment and measure and build things, knowledge of the metric system is a must. Filled...