Bring boo-tiful learning to your classroom with this Ghostly Addition & Subtraction to 20 Cut & Paste Bundle! đ» Perfect for 1st and 2nd Grade, this Halloween math resource helps students practice addition and subtraction within 20 while having fun cutting, pasting, and coloring cute little ghosts! Students solve each problem, cut the ghost with the correct answer, paste it into place, and color for some spooky fun! These printable worksheets are perfect for math centers, early finishers, or