This activity directly reinforces the learning objective by giving students repeated, hands-on practice with finding 1 more/less, 10 more/less, and 100 more/less. Rolling dice generates a wide variety of starting numbers, which ensures students practice the skill across multiple contexts, not just with familiar or simple numbers. Place Value Focus: Students clearly see how adding or subtracting affects only the ones, tens, or hundreds place, and they confront important “boundary cases” (like 1