Solving Word Problems PowerPoint. Word problems are tricky. You can add, subtract, multiply, or divide to find the answer. Use this interactive PowerPoint to practice figuring out which operation to use in one-step word problems. The first few slides are informational and give students some key words to look for each operation. Each slide has a word problem, and students can choose whether they should use addition, subtraction, multiplication, or division to solve. Then they can work the prob