This resource was created as a way to help students build number sense daily. Each warm-up includes 4 types of questions/problems: Quantity awareness, the counting system, story problems, and concept review. I originally created these warm-ups for my 3rd graders, although it can be used for any age as long as the student has:strong additive thinking (they can create numbers to 20, break numbers apart, and think of them in multiple ways) strong number sense within 100 (although the resource begin