Price: 300 points or $3 USD
Subjects: countingAndCardinality,counting,cardinality,comparisons
Grades: 14,13,1
Description: In this bundle, students will create sets by dragging and dropping gumballs into the gumball machine. They will be challenged to create sets that are one more than a given set or one less than a given set. They will also create sets that are equal to the original group. Opportunities for using 1 - 1 matching and other counting strategies will be practiced.