Yes, there are several strategies that can be helpful in solving numerical problems in commerce. Here are some strategies:

1. Understand the problem: Read the problem carefully and make sure you understand what is being asked. Identify the key information and any given data.

2. Set up a plan: Determine the steps or calculations required to solve the problem. Break down complex problems into smaller, manageable parts.

3. Use relevant formulas and equations: Be familiar with the formulas and equations related to the specific problem you are solving. Use them appropriately to calculate the required values.

4. Organize the data: Arrange the given data in a systematic manner, such as making a table or chart, to easily identify the relevant information needed for calculations.

5. Check units and conversions: Pay attention to the units given in the problem and ensure consistency throughout your calculations. Convert units if necessary.

6. Estimate and approximate: If the problem involves complex calculations, use estimation and approximation techniques to get a rough idea of the answer before performing detailed calculations. This can help identify any errors or deviations.

7. Show all calculations and workings: Clearly present all your calculations and workings, step by step, to ensure accuracy and provide evidence of your approach.

8. Double-check your answer: Once you have obtained a solution, recheck your calculations and ensure that your answer makes sense in the context of the problem. Verify if it matches the requirements of the question.

9. Practice regularly: The more you practice solving numerical problems in commerce, the better you will become at applying the strategies and techniques. Regular practice will also help improve your speed and accuracy.

Remember, each problem may have its own unique approach, so it is essential to adapt these strategies according to the specific problem at hand.