Addition Unit & Subtraction Unit in this NO PREP Google Slides Kindergarten Math Center. Easy to read lessons with visuals provide all you need to teach numeracy skills to your young learners. Includes many follow up activities. Ready to go! See below for more product info.PRODUCT ONE: ADDITION UNIT Google Slides Addition Unit. 100% No Prep Lessons. Follow Up activities. Many adding / number facts / fact fluency concepts. Counting on, add one & two more, add within 5, add within 10, numb