TREAT your students this Christmas with Polar Express color by code addition to 20 practice worksheets. You'll have 6 color by sums addition math facts sheets with sums from 10 to 20. Polar Express math worksheets are full of addition facts practice sums 10 to 20 problems, perfect for December, Christmas and your Polar Express Day! These no prep Polar Express coloring pages are perfect for math centers, morning work, bell ringers, math homework, and fast finishers! ✅ The perfect solution for FA