Crabtree Plus is a new web-based resource that combines the high-quality of Crabtree Publishing's educational book series with open access dynamic digital content. Intended to add to students' understanding in an entertaining way, Crabtree Plus includes engaging simulations and interactive activities that reinforce and extend core series concepts. Supporting the best practices for digital education resources, animated characters provide narrated support and guide learners through scaffolded challenges. The intuitive design and embedded feedback encourage independent learning.

• Web-based content specifically designed for accessibility
• Content specifically designed for accessibility on various devices including Chrome Books, PC, Macs and tablets
• Intuitive design promotes ease of use and embedded scaffolding and learner feedback support independent learning

• Content aligned to NGSS and state science standards
• Downloadable Teachers' Guides include comprehensive lesson plans and assessment tools to integrate multiple science and engineering practices