Guidelines from GAISE/ASA/AMATYC
Leading national statistics professional organizations have views on how to teach introductory statistics, and how.
R Tutorials for instructors
Running R in a sandbox allows you and your students to see what a command language can do, without letting it run away from you.
Tidy Data
Organize your data to help students learn basic data principles.
Grammatical graphics
Describing effective principles for making and reading graphics
It's all regression
t-tests, p-tests, linear regression: they're all the same thing
Data sources
Finding real data is easy. Getting data in a form suitable for illustrating statistical concepts is not.