TY  - BOOK
AU  - Nelson,Doyal
AU  - Worth,Joan
ED  - National Council of Teachers of Mathematics.
TI  - How to choose and create good problems for primary children
SN  - 0873532058 (pbk.)
AV  - QA 135.5  .W932 1983
U1  - M 372.7  
PY  - 1983///
CY  - Reston, Va.
PB  - National Council of Teachers of Mathematics
KW  - Mathematics
KW  - Study and teaching (Primary)
KW  - Problems, exercises, etc
KW  - Problem solving
N1  - Cover title; Revision of a chapter in the NCTM's 37th yearbook, Mathematics learning in early childhood (1975); College Students; 1210L-1700L
ER  -