Math vocabulary words: charts/mini-posters for addition, subtraction, multiplication, and division lessons. Many key words are included. A great resource for math notebooks too! A digital resource that is easy to use! Laminate and use in a math center! Included: Definitions of the operations: What is addition, subtraction, multiplication, and division?Addition words: sum, altogether, increase, plus, more.Subtraction words: take away, minus, less, difference, fewer than.Multiplication word