For those of you who may have missed a Catch of the Day or who didn't have the opportunity to look at some of them during this past week, here's a second chance.
21stCenturyLit.org delivers writing units that can be used to develop 21st century skills in English or social studies students in grades 7-12 (ages 12-17).
ElectroCity, from New Zealand, was developed to increase awareness among students of the basic aspects of such topics as energy generation, the cost of energy, and its environmental impact.
ClassParrot is a simple tool that makes it possible for teachers to reach their students in the same way their friends do. It allows teachers to exchange text messages with students and parents without disclosing anyone's phone numbers.
Maths Office provides a range of lesson plans, schemes of work, homework sheets, tests and mark sheets for all levels of mathematics.