Have your students practice their adding and subtracting of fractions with this lesson. They will need to add and subtract mixed numbers and fractions with unlike denominators and simplify some answers. Students will work in partners or small groups to solve adding and subtracting of fractions problems. Their solutions to the problems will lead them to a code card giving them a line/lines of code to program their DASH (by Wonder Workshop) robot. The activity is self checking. Students will shar