Number Sense: Centers to Teach Composing and Decomposing Numbers - Teaching with Jillian Starr

Free activities, printable worksheets, games and ideas to help develop number sense in the primary grades. Free Ten Frame Playing Cards to use in place of regular playing cards to help with number recognition, visual support addends to ten, and develop basic number sense. Perfect activities to teach intervention, Kindergarten, first grade and 2nd grade.