Missing Addend – Sums of 18 – So Small Sea Horse

While you’re working these 12 missing addend problems you’ll have these curious little eyes (which, by the way, move in separate directions) looking on.

CCSS  1.OA.6

Please go to this page to see all the missing addend worksheets for sums of 16-20.

missing addend - sums of 18 - so small sea horse