For instance, in order to solve algebraic equations, knowledge about addition, subtraction, multiplication, and division is a must. Ordering the steps to be carried out, evaluating expressions, and learning how and when equations are used must be learned too. Everybody uses math whether they realize it or not. Shoppers use math to calculate change, tax, and sales prices. Cooks use math to modify the amount a recipe will make.
Vacationers use math to find time of arrivals and departures to plan their trips.
Even homeowners use math to determine the cost of materials when doing projects. They work with tax codes and forms, use formulas for measuring interest, and spend a considerable amount of energy organizing paperwork. Agriculturists determine the proper amounts of fertilizers, pesticides, and water to produce bountiful foods. They must be familiar with mixture problems. Architects design buildings for structural integrity and beauty.