TY  - BOOK
AU  - Jensen, Paz Alegria Lacsamana
TI  - Calculations made easy: : addition & multiplication, subtraction & division
SN  - 9789712726484
U1  - 510.076 
PY  - 2012///]
CY  - Mandaluyong City
PB  - Anvil Publishing
KW  - Mathematics
KW  - Problems, exercises, etc
N1  - Addition; Column addition; Proofing answers in arithmetic calculations; Multiplication; Speed math multiplication; Steps for multiplying by each number; Multiplication : n x 11; Multiplication : n x 12; Multiplication : n x 6; Multiplication : n x 7; Multiplication : n x 9; Multiplication : n x 8; Multiplication : n x 4; Multiplication : n x 3; Multiplication : n x 5; Multiplication : n x 2; Multiplication : n x 10; Multiplication rule summary chart; Subtraction; Subtraction using matching terms; Subtraction using the complement sums of 10; Division; Division using repeated subtraction; Division using only single digit divisor approximations; What else works?
ER  -