Mathematics for elementary school teachers problem-solving investigations by Sgroi, Richard J.

Research ideas for the classroom: middle grades mathematics

Problem solving , reasoning, and communicting, K-8 helping children think mathematically by Baroody, Arthur J.

Is your math ready for physics by Gleason, Walter J.

The teaching and learning of number in primary schools National Curriculum mathematics attainment target 2 by Great Britain. Office for Standards in Education (England)

Significant influences on children's learning of mathematics

Primary school achievement in English and mathematics in Zimbabwe a multi-level analysis by Nyagura, Levi M.

Download full text here

Mathematics teacher resource handbook a practical guide for K-12 mathematics curriculum.

A problem solving approach to mathematics by Billstein, Rick

A Problem solving approach to mathematics for elementary school teachers by Billstein, Rick