These Math Word Problem Key Words Posters are the perfect reference tool to help 3rd, 4th, and 5th grade students decode math word problems and choose the correct operation with confidence. This resource includes 4 bright, print-ready posters — one for each operation: ➕ ADDITION: add, sum, total, in all, combined, increase, join, plus, deposit, how many in all, and more ➖ SUBTRACTION: difference, fewer, less than, take away, minus, left over, decrease, discount, withdraw, and more ✖️ MULTIPLICAT