Justifying Answers: When Students Ask
- Why should I learn this?
It takes a while to solve a problem, and you want to make sure the answer is correct. It will help you later when you have to solve more difficult problems. - How can I justify my answers when I add?
After you have made sure that you have all the information and have solved the problem by adding, you can use manipulatives, you can draw a picture, or you can add the numbers in a different order to check your results. - How can I justify my answers when I subtract?
After you have made sure that you have all the information and have subtracted to solve the problem, you can use manipulatives or you can draw a picture to check your results.