TY - BOOK AU - Straker,Anita TI - Mental maths 5 SN - 0521589312 PY - 1996///, 2003 CY - Cambridge PB - Cambridge University Press KW - Mathematics KW - Problems, exercises, etc KW - sears KW - Study and teaching (Primary) N1 - General scope of Mental Maths 5 : Understanding of number, addition and subtraction, multiplication and division, fractions and percentages, patterns and relationships, measures, shape and space, handling data ER -