Winter Math - Student can have fun with these winter coloring sheets that reinforce addition skills! This download includes 7 different color-by-number (addition) sheets. The addition skills range between basic addition to 10 and harder problems to 20! Common Core CCSS.Math.Content.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. **please rate and comment to receive your TeachShare credits** 1st Grade Salt Life keywords: addition to 20, addition facts, add and color, winter coloring