Diggers in the EarthBook IIReading editionChapter navigation20 reading sectionsGo to chapterChoose a chapter…Front matterBook IIEVA MARCH TAPPAN, Ph.D.PREFACEIntroductory materialBOOK IIIIIIIIIVVVIVIIVIIIIXXXIFIRST YEAR IN NUMBERTHE EVERYDAY ARITHMETICSTHE RIVERSIDE READERSPrevious chapter ←Front matterNext chapter →Book 2 — EVA MARCH TAPPAN, Ph.D.All chapters and sections (20)Opening pagesFront matterBooks2Book 2 · Other sectionsEVA MARCH TAPPAN, Ph.D.PREFACEBook 2 · Opening pagesIntroductory materialBook 2 · Books2Book 2 · Chapters1234567891011Book 2 · Other sectionsFIRST YEAR IN NUMBERTHE EVERYDAY ARITHMETICSTHE RIVERSIDE READERSDIGGERS IN THE EARTHBY← Front matterEVA MARCH TAPPAN, Ph.D. →