Selling Second

2-week unit to introduce regrouping to second grade students! I created this unit to use in my own classroom as a supplemental unit for Envision second grade unit 4. Skills include... -Regrouping with base ten models -Regrouping with quick pictures of base ten models -Adding 2 digit numbers using expanded form -Regrouping using the standard algorithm (carrying the 1) which envision does not cover! -Adding three 2-digit addends using expanded form -Adding three 2-digit addends using standard al

Valentine's Day themed math center/station to practice expanded form and writing three digit numbers in word form.

Practice place value and identifying ones, tens, and hundreds with this sweet math center! Common core aligned with second grade standards 2.NBT.A.1