I like that this textbook includes practice problems with full answer keys.
Product Tag: Well Trained Mind
First Language Lessons for the Well-Trained Mind Level 1 by Jessie Wise –
What stands out about this textbook is the comparative tables that show differences.
ADDITION FACTS THAT STICK Kate Snow Homeschool Math Well Trained Mind Press NEW
A nice touch in this textbook is the quick start guide for each chapter.
Grammar for the Well-Trained Mind Yr 1-4, Red Workbook, Answer, & Instructors
What stands out about this workbook is the balance of easy and hard questions.