addition could be the words 'increased by' or 'more' examples: a number increased by 4 is equal to three times another bob has 4 more apples than joe or
subtraction could be 'less than' or 'decreased by' examples: 3 less than a number... a number decreased by 4 is...
multiplication could be like 'product of' or 'per' examples: the product of 2 numbers, x and y... there are 3 apples per box
divison could be like 'divided by' or 'split' examples: 3 divided by 4 120 apples split into 3 parts
