Grade 3 Addition: 3-digit addition with regrouping

Generate a printable Grade 3 addition worksheet for this skill. Change the difficulty, layout or problem count below, then print the worksheet or its answer key.

What students practice: Three-digit addition falls within the add-within-1000 standard.

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What to practice

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Worksheet preview — matches what “Print worksheet” produces.Grade 3 · Addition · 3-digit addition with regrouping · Standard

Grade 3 · Addition

3-Digit Addition With Regrouping

Name: Class: Date:

Set 1 · Grade 3 · Addition

Example problems by difficulty

Real samples from this generator. Every worksheet is a fresh random set, so yours will differ.

Easy

125 + 417 = ___
Answer: 542
146 + 125 = ___
Answer: 271

Standard

372 + 938 = ___
Answer: 1310
995 + 737 = ___
Answer: 1732

Challenge

866 + 647 = ___
Answer: 1513
668 + 993 = ___
Answer: 1661

Where this skill fits

Previous skill: 3-digit addition
Next skill: 3-digit addition without regrouping
All grades: Addition worksheets, Grades 1–5

Related Common Core standards

3.NBT.A.2 — Fluently add and subtract within 1000.

The task matches what these standards describe at this grade. Common Core–informed practice; not a claim of official alignment.