This unit has math journaling for double digit addition with place value for common core standards for First Grade. It has a brace map that is wonderful for teaching the concept of addition and subtraction with place value. There are a lot of ideas for Calendar math, weekly activities and cooperative learning ideas. They are all correlated to the new Common Core Standards are suitable for up to 3rd grade, as it is also a very effective way of teaching higher order concepts. It is also a great way to teach regrouping!