Math Grade 2-3

Adding 3-Digit Numbers with Regrouping

Practice adding hundreds, tens, and ones

View Answer Key
Name:
Date:
Score: / 15

Practice adding hundreds, tens, and ones

Math - Grade 2-3

Instructions: Read each problem carefully. Add the ones, tens, and hundreds. Regroup when needed and show your work.
  1. 1

    Add 247 + 386. Show your work.

  2. 2

    Add 528 + 174. Show your work.

  3. 3

    Add 365 + 258. Show your work.

  4. 4

    Add 489 + 236. Show your work.

  5. 5
    Two piles of classroom counters, one red and one blue, on a table.

    A classroom has 156 red counters and 287 blue counters. Add to find the total number of counters.

  6. 6

    Add 642 + 189. Show your work.

  7. 7

    Add 275 + 348. Show your work.

  8. 8
    Two groups of library books: picture books and chapter books.

    A library has 734 picture books and 198 chapter books. Add to find the total number of books.

  9. 9

    Add 416 + 329. Show your work.

  10. 10

    Add 589 + 267. Show your work.

  11. 11

    Add 395 + 405. Show your work.

  12. 12

    Add 268 + 345. Show your work.

  13. 13

    Add 718 + 192. Show your work.

  14. 14

    Find both sums, then write which sum is greater: 382 + 249 and 415 + 187.

  15. 15
    Base-ten blocks showing regrouping from ones to tens and tens to hundreds.

    A student added 456 + 278 and wrote 624. Find the correct sum and explain the mistake.

LivePhysics™.com Math - Grade 2-3

More Math Worksheets

Addition & Subtraction with Regrouping

Grade 2-3 · 8 problems

Fractions: Parts of a Whole

Grade 4-5 · 8 problems

Word Problems: Mixed Operations

Grade 4-5 · 8 problems

Ratios & Proportions

Grade 6-8 · 8 problems
See all Math worksheets

More Grade 2-3 Worksheets

States of Matter

Chemistry · 8 problems

Main Idea & Supporting Details

Language Arts · 8 problems

Map Skills & Cardinal Directions

Social Studies · 8 problems

Language Arts: Capitalization and Punctuation

Language Arts · 15 problems
See all Grade 2-3 worksheets