AU  - WARREN,T.
AU  - COX,C.J.
AU  - ARROWSMITH,B.
TI  - STEPS IN UNDERSTANDING MATHEMATICS 4
T2  - STEPS IN UNDERSTANDING MATHEMATICS
SN  - 071954453X
U1  - 510/WAR 
PY  - 1990///
CY  - LONDON
PB  - JOHN MURRAY PUBLISHERS LTD.
KW  - MATHEMATICS
KW  - SEQUENCES
KW  - NUMBER OPERATIONS
KW  - PERCENTAGES
KW  - ESTIMATIONS
KW  - PYTHAGORAS' THEOREM
KW  - FRACTIONS
KW  - SHAPES
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ER  -