A set of 21 cards showinh 0-20 spiders for matching to webs. Great for number recognition, counting, calculation, sorting and estimating. - Printable Classroom Activities and Games by Teacher's Pet. Primary school resources, including premium downloadable, printable classroom activities and games. Resources for Early Years (EYFS), KS1 and KS2 including challenge cards, board games, CVC, VCOP, stickers, posters, wordmats, signs, roleplay activities and much much more! A sparklebox alternative! - count, twenty, webs