This unit contains 20 days of an End of Year Review for second grade students. These sheets are created to give students independent practice of the Second Grade Common Core Standards and cover the topics of 3-digit addition & subtraction with and without regrouping, odd & even numbers, addition of equal addends, place value up to 1, 000, standard, written & expanded form of numbers, skip-counting by 5s, 10s & 100s, comparing 3-digit numbers, telling time, counting money, picture graphs and shap