D
Douglas K. Brumbaugh
1939
7 works on record
Works

Teaching K-6 mathematics

Teaching Middle School Mathematics

Teaching secondary mathematics

Mathematics content for elementary teachers
Scratch Your Brain Where It Itches D1-Algebra
Scratch Your Brain Where It Itches D1-Algebra
Scratch Your Brain Where It Itches C1
Scratch Your Brain Where It Itches C1
Scratch Your Brain Where It Itches E1-Geometry
Scratch Your Brain Where It Itches E1-Geometry