Looking for a way to add some excitement to your math lessons? Look no further than the Find the Missing Number advanced lesson plan! In this lesson, students will put their math skills to the test as they solve mysteries and crack codes. First, they’ll use addition and subtraction to solve an equation for a missing number. Then, they’ll be up and moving around the classroom as they search for hidden equations. Finally, they’ll solve grid problems by finding missing numbers and creating their own grid mystery for a friend to solve. By the end of this lesson, your students will be transformed into math sleuths!