These pages have illustrations of Base 10 Blocks and a sequence that guides children through the steps of regrouping, providing them with a template in which to write the problems themselves ensuring that they align the Ones digits.
Regrouping of a Ten to Ones only, a Hundred to Tens only, either or both, and finally subtracting across zeros are illustrated separately and done in a sequential series of steps.
Common Core Standards:
3.NBT.2: “Fluently add and subtract within 1000 using strategies and algorithms based on place value…”
Subjects: Math, Basic Operations, Arithmetic, Place Value
Level: Grades 2-4
Duration: 20 pages, 3-5 days
Answer Key: Included
A Smartboard 14 file is also included. Click on the .zip file icon, and you can open the PDF, Word, and Smartboard files separately.