Free 1st grade addition worksheets. Adding with pictures, number lines, mental addition, number bonds, missing addends, adding whole tens, completing the next ten, adding in columns and much more. No login required.
6– Addition –Missing Addend Monster Flip Cards My just-turned-Five used these cards to find the missing addends from groups up to 10. He solved some problems in his head and used manipulatives on the tougher cards. You can read more about it andget the missing addend flip cards from ...