Addition to 20 Clip 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. Common Core CCSS.Math.Content.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Subtraction Facts Available here: Subtraction from 20! ***ADDITION/SUBTRACTION BUNDLE now available*** Addition/Subtraction Bundle **please rate and comment to receive your TeachShare credits** 1st Grade Salt Life