Winter Themed Clothes Pin Addition Cards! This makes a great math center to focus on addition to 20! Students use clothes pins to find the answer to each addition problem! 200 Cards included (4 per page X 50 pages!) A record sheet is included. Students can record the problems they solved. Monster Themed Clip Cards (for year round use) are available here: Monster Addition Clip Cards! **please rate and comment to receive your TeachShare credits** 1st Grade Salt Life keywords; addition practice, facts to 20, clip cards, math station, winter math facts