# Month: April 2014

## Understanding GCF or HCF and LCM Class 4 -Mathematics

GCF or HCF = Greatest Common Factor or Highest Common FactorLCM= Lowest Common Multiple.GCF : To understand GCF I illustrate an example. Suppose we need to calculate the GCF of two numbers of 16 and 18 , then first we write the factors of each number as tabulated below. Numbers Factors 16 1 2…

## Unitary Method For Class or Grade 4 – Mathematics

Unitary Method is that in which for further calculation value of unit (1) is required for further calculation. Unit means one, mathematically ‘1’.A, An or Per also mean ‘1’.If we know the value of one then to find value of many we do MULTIPLICATION. Read this problem and the table.Problem 1: Cost of one mango is $…