Getallenlijn verder met 10 How to make a Montessori "teen" board (Adding n = teen number) >>Take it further by adding 10 to other double digit numbers. Could make multiple sets for centers out of index cards.
FREEBIE: students work with numbers to gain foundations for place value. practice this with real objects like unifix cubes and doing a lot of hands on modeling before giving students these practice sheets.
FREE ~ place value practice for deeper understanding of 2 digit addition ~ roll it ~ write it ~ build it ~ draw it ~ write it in expanded notation ~ first grade math ~ common core ~ CooL ScHooL Stuff!,Education,First Gra