00673nam a2200181 a 4500 20140412111235.0 001120s19uu xx 00 eng d 1-85270-003-3 TR(GS 372.7 MER 1987 Mertens, Rtuh Numbers time and money : a practice workbook on subtraction, time, money and measurement / Ruth Mertens ; illustrated by Alan Snow. London : Octopus Pub. Group Inc, 1987. 23 p. ; col. ; ill. The Parent and Child Programme Mathematics -- study and teaching -- parent participation Education -- Parent participation 102397 102397 0 0 0 0 EL EL TR 2000-11-20 Donation 0 TR(GS 372.7 MER 1987 E1599 2014-04-12 00:00:00 2014-04-12 BK