Looking for a winter activity to engage Algebra 2 students who are learning about normal distribution during the holiday month? In this no prep digital Christmas activity, students will use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Students will need to use their calculators (normalcdf on TI-84) to estimate the area under a curve. This is a self-checking activity that provides immediate feedback for Algebra II student