mental addition

Mental addition is the process of combining numbers in your mind without using written tools like paper or calculator. It involves actively manipulating and summing numbers internally through various strategies, such as grouping, counting, or recognizing number patterns. This skill relies on recognizing familiar quantities and mental shortcuts to quickly find the total. Mental addition is useful for everyday situations like budgeting, shopping, or estimating totals, and its efficiency improves with practice and familiarity with number relationships.