This set is a great way to review double digit subtraction algorithms with no regrouping! This digital math activity is a fun and engaging way to celebrate the 100th day of school. This is perfect for a math station or to review math facts. It is great for your 2nd grade, 3rd grade students, or special education kiddos! Students will type the answer to a subtraction problem and then will click the prize machine to see if they won a prize (if they get the answer correct, they get a surprise f