Help your students build their understanding of comparing single and double-digit numbers with this activity! In Roll-a-Number: Comparing Numbers Bingo, students will work on their comparing numbers strategies. On the greater than board, students roll one die and cross out a number that is greater than it. On the less than board, students roll two dice and cross out of number than is less than the sum. This activity can be used with partners, in small group, or during independent work time!