With Really Good Stuff's Math Word Problem Poster Set, you can teach students how to determine the right mathematical operation when solving word problems. This laminated set is designed for durability and to provide colorful references to common keywords used in math word problems. Each poster features a shape of a different operation symbol and the words related to the symbol that prompt students to either add, subtract, multiply or divide. Use these in the classroom or at home to reinforce basic math skills with students.