The following professional sufficiency dissertation regarding equations and inequations is aimed for students coursing the first grade of secondary school in the city of Trujillo during the present year, 2019. The main goal is to generate significative cognizance by linking mathematical knowledge to everyday situations, meaning students will be able to spot the relationship between the given data and the unknown values of equality or inequality and convert them into equations or inequations with natural numbers. The following professional sufficiency dissertation regarding equations and inequations is aimed for students coursing the first grade of secondary school in the city of Trujillo during the present year, 2019. The main goal is to generate significative cognizance by linking mathematical knowledge to everyday situations, meaning students will be able to spot the relationship betwe...