TWO TERRIFIC SELF-CHECKING ACTIVITIES: Students ADD INTEGERS to train for and compete in a DIGITAL Snowball Fight! These are DIGITAL RACES in Google Sheets - correct answers make the snowballs move across the screen! Perfect for DISTANCE LEARNING, HYBRID, OR IN-CLASS. (Great idea...use to review foundational concepts at the beginning of 2nd semster!) SNOWBALL TRAINING WITH INSTANT FEEDBACK: When students enter correct answers - their snowballs move toward a target (which, quite suspiciously,