Building Skills: Math provides additional mathematics skills practice related to the science content in each chapter. It includes five basic categories of math skill review: Number Sense; Algebra and Functions; Measurement and Geometry; Statistics, Data Analysis and Probability; and Mathematical Reasoning.

Audisee® eBooks with Audio combine professional narration and sentence highlighting to engage reluctant readers! The octopus spies a nice, tasty mantis shrimp. It swims over for a closer look at the small creature. Then—WHAM!—the mantis shrimp strikes a nasty blow with its hammer-like forelimb. The octopus shrinks back, defeated. That wasn't such an easy meal after all . . . In nature, good defenses can mean the difference between surviving a predator's attack and becoming its lunch. Some animals rely on sharp teeth and claws or camouflage. But that's only the beginning. Meet creatures with some of the strangest defenses known to science. How strange? Hagfish that can instantaneously produce oodles of gooey, slippery slime; frogs that poke their own toe bones through their skin to create claws; young birds that shoot streams of stinking poop; and more.

The Grade 2 Student Edition covers units such as Plants and Animals, Habitats, and Our Earth.

Describes the social interaction of wolves in a pack as they share the work of hunting, maintaining territory, and raising young.

Offers a definition of differentiated instruction, and provides principles and strategies designed to help teachers create learning environments that address the different learning styles, interests, and readiness levels found in a typical mixed-ability classroom.