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

Mathematics methods for the elementary and middle school od Hatfield, Mary M. 1943-

Middle grades mathematics

A problem solving approach to mathematics od Billstein, Rick

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

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

Download full text here

Significant influences on children's learning of mathematics

A problem solving approach to mathematics for elementary school teachers od Billstein, Rick

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

Research ideas for the classroom: middle grades mathematics