Within this 17 page PDF file are 3 sets of problems (5 different pages each) that challenge students skip counting by 2. 1) First group = 2, _____, 6, ______, 10 2) Second Group = 10, 12, _____, ______, 18 3) Third Group = Cut and Paste with Frogs. Paste the missing 2 in the correct space. Six each page