This (mildly Christmas) cookie themed partner activity, perfect for first or second-grade math, reinforces the understanding of base ten, trading ten ones for one ten, and comparing two digit numbers. It also includes additional recording sheets with expanded form, rounding to the nearest ten (using an open number line), and counting by tens off a decade number. A highlighted hundred chart is provided as review or support to count by tens off a decade number. This activity is ideal as an indepen