What's on this worksheet
Two four-digit numbers with any amount of regrouping. Each sheet comes with an answer key on a separate page.
Teaching tips
- Check each answer with addition.
- If a student gets stuck, rewrite the problem on grid paper with one digit per square.
How to use this worksheet maker
Press New worksheet for a fresh set of problems, then Print. To save a PDF instead, choose "Save as PDF" in the print window. Every sheet has a short code in the bottom corner. Copy the link to a sheet and you can print exactly the same problems again later, which is handy for retakes and for sharing with other teachers.
Common Core alignment: 4.NBT.B.4 (Grade 4).