Mava Math : Number Sense by Marla Weiss (2007, Paperback)

Lesson Quest Number Sense & Operations Math Activity Book PB Lawrence

Nimble With Numbers: Engaging Math Experiences to Enhance Number Sense and P...

Number Sense Routines by Jessica F. Shumway, Stenhouse, Paperback, Math

Number Sense and Number Nonsense: Understanding the Challenges of Learning Math

Mava Math: Number Sense

Nimble With Numbers: Engaging Math Experiences to Enhance Number Sense and P...

The Common Sense of Teaching Mathematics by Caleb Gattegno (Paperback, 1973)