Let's DO THEORY! Level 1 Beginner Theory Activity Book
The Let's DO THEORY! books are full of appealing and fun activities that support the concepts being presented in the Let's PLAY PIANO! lessons book. The activities are designed to be completed independently at home, giving an opportunity for formative assessment of learning. Can also be use alongside other method books of similar content.
Also available here in a two book set including the lessons and theory book.