TY  - BOOK
AU  - Socao,Jonell R.
AU  - Zuñiga,Aurora C.
TI  - Math world 4
SN  - 978-971-0172-55-9
U1  - FIL 510 
PY  - 2011///
CY  - Quezon City
PB  - C & E Publishing, Inc.
N1  - Chapter 1 - Number concepts and graphs -- Chapter 2 - Adding whole numbers -- Chapter 3 - Subtracting whole numbers -- Chapter 4 - Multiplying whole numbers -- Chapter 5 - Dividing whole numbers -- Chapter 6 - Number theory -- Chapter 7 - Fractions -- Chapter 8 - Decimals and money - Chapter 9 - Geometry and measurement
ER  -