Students can complete these 10 exercises cooperatively in centers or individually as practice work or as a math assessment. Word Problem Central is intended to help students think through the steps involved in solving word problems. Before seeking the final answer, students must first walk through the problem solving strategies step-by-step. This particular exercise helps students train their thinking to the problem-solving process. There are 10 addition and subtraction word problems, all representative of real-life applications, and an answer key included.