Teaching Modern Mathematics in the Elementary School [by] Howard Franklin Fehr [and] Jo McKeeby Phillips
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Arithmetic at Work
Algebra, First [-second] Course
Algebra
Teacher's Manual
Essential Mathematics Series
Learning to Use Arithmetic
The Learning of Mathematics
Senior Mathematics for High Schools
Essential Mathematics Series: Arithmetic in life
Teaching High-school Mathematics
Needed Research in Mathematical Education
Unified Mathematics Course IV
Arithmetic in Life
A Study of the Number Concept of Secondary School Mathematics
Algebra
Secondary Mathematics
Teaching Modern Mathematics in the Elementary School
Teacher's Manual for Geometry
Algebra, First [-second] Course