Winter 2-Digit Addition with and without Regrouping: 4 Seasons of Color by Number Worksheets for 2nd Grade Math Morning Work. You May Also Like:Christmas 2 by One and Two Digit Digit Addition (With & Without Regrouping) Pack All kids love color-by-number pages! Plus, these spring, summer, autumn and winter coloring pages are zero-prep, keys included! Print and have your math morning work ready for your 2nd and 3rd grade students in NO time! TWO VERSIONS:Each seasonal math color-by-number work