What if it turns out that all this "trading" we are making kids do when subtracting actually turns out to be unnecessary and confusing? When subtraction is taught as a progression of skills, trading is indeed unnecessary! Great job Ms. Johnson! #simplerbettermoreintutitive
Practicing with number bonds with @ChadwickKinder. He showed me his thinking by making not only an addition equation but also by using subtraction to prove he was correct. @katemillerbcps@MrsReidnauer1