Double O digraph. Children sort the colorful pictures based on what their medial vowel sound is. They choose between short OO sound as in book verses the long OO sound as in boot.
Comes with page toppers so you can laminate your own sorting mats.
Try these other Digraph resources
Sorting Sh Pictures
Sorting Ch Pictures
Sorting Th Pictures
Sorting Wh Pictures
Sorting Ph Pictures
8 Digraph Books
Mega Digraphs Bundle
Long Vowel Sounds:
CVCe Words Review - Long Vowels