Common Core: 3.NBT

Practice online

Kids remember more by doing. Free — track progress and earn points and badges.

or use the printable below
Answer KeyPremium
Name
Date
Score
/ 8

3-Digit Addition (Set C)

Grade 3 · Addition · 8 problems

Directions: Add. Watch for regrouping when needed.

1.
323
144
 
2.
307
209
 
3.
291
275
 
4.
275
340
 
5.
259
406
 
6.
371
347
 
7.
355
412
 
8.
339
478
 

Done printing? Try today’s 10-minute plan

Free printables help for one skill. A short daily plan reviews what was shaky and picks the next skill for this child — with progress you can see.