Author: Ballard, P. B.:
Title: The Child's First Number Book.
Description: London, University of London Press Ltd., n.d. Soft wraps, VG, minor pencil soiling on rear, contents tight, pp32, most sums etc.. answers neatly filled in in pencil. Simple counting, addition and subtraction.

Keywords: mathematics number counting addition subtraction maths primary school infant add take away numeracy