Option 3, which includes "Reasoning, using variable, look for a pattern," is the correct set of problem-solving strategies in mathematics. Here's why: 1. Reasoning: This is a fundamental aspect of problem-solving in mathematics. It involves logical thinking and making sense of mathematical concepts and relationships. Reasoning helps in understanding the problem, identifying what is known and what needs to be found, and developing a plan to solve the problem. 2.…Read More