Practice adding 3-digit numbers using place value and regrouping.
Read each problem carefully. Add the ones, tens, and hundreds. Regroup when needed and show your work.
Practice adding hundreds, tens, and ones
Math - Grade 2-3
- 1
Add 247 + 386. Show your work.
- 2
Add 528 + 174. Show your work.
- 3
Add 365 + 258. Show your work.
- 4
Add 489 + 236. Show your work.
- 5
A classroom has 156 red counters and 287 blue counters. Add to find the total number of counters.
- 6
Add 642 + 189. Show your work.
- 7
Add 275 + 348. Show your work.
- 8
A library has 734 picture books and 198 chapter books. Add to find the total number of books.
- 9
Add 416 + 329. Show your work.
- 10
Add 589 + 267. Show your work.
- 11
Add 395 + 405. Show your work.
- 12
Add 268 + 345. Show your work.
- 13
Add 718 + 192. Show your work.
- 14
Find both sums, then write which sum is greater: 382 + 249 and 415 + 187.
- 15
A student added 456 + 278 and wrote 624. Find the correct sum and explain the mistake.