00448nam a2200169   450000500170000000700040001700800040002104000090002505000210003410000170005524500570007226000400012930000230016944000360019265000350022870000150026320150518113012.0000000  aUOEL  aQA141b.B37 1985  aBarr, George  aDeveloping numeracy skills /cGeorge Barr, Ruth Ress  aYork ;bLongman Group Ltd ,cc1985.  avi, 106 p. :bill.  aA staff development publication  aNumeracy - skillsxMathematics  aRees, Ruth