Baking with students at home will give them experience with seeing mixed numbers in recipes and see the real world connection these concepts have.
Find small objects (Legos) to use to have your child practice making mixed numbers and improper fractions. The objects should be the same size. Students should be able to explain that a mixed number has wholes and fraction parts. They should also be able to tell you how an improper fraction is the same as a mixed number.
Practicing placing mixed numbers on a number line is very beneficial for understanding what a mixed number is and how it relates to other numbers. Use the number line to add and subtract mixed numbers.
Practice identifying mixed numbers on a ruler.