Addition · Math worksheet

3-Digit Addition With Regrouping Worksheets

Name:Date:3-Digit Addition With Regrouping Worksheets1.148+7912.978+4243.512+2584.735+5595.788+5426.183+7997.778+9338.791+5019.149+77010.378+54111.210+19312.167+53413.767+49514.921+88515.545+99816.993+79017.647+34418.532+70819.853+67920.939+113
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Twenty 3-digit addition problems, each needing at least one carry and some needing two or three. Sums can reach the thousands, as in 768 + 457. A solid third grade review.

Shapes
Denominators
fromto

The bottom numbers, from 2 to 12. 2 to 4 keeps to halves, thirds and fourths.

Digits

Base-ten blocks go up to 3 digits: hundreds, tens and ones.

Clocks
Layout
Paper
Numbers100 to 999 and 100 to 999, with regrouping
First number
fromto
Second number
fromto

Leave at 0 for no limit. 10 makes “addition within 10”.

Regrouping

Carrying and borrowing, for addition and subtraction.

For a classOne sheet, answer keys

Each sheet has its own problems: one per student or one per day.

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2 pages: 1 to solve, 1 with the answers

Ideas for using these sheets

  • Estimate first by rounding to the nearest hundred, then check the exact answer is close.
  • Lightly shade the ones, tens and hundreds columns on the first sheet so the digits stay lined up.
  • Give one sheet a day for a week; the problems change every time.

Every setting can be changed above before you print, and “New problems” makes a fresh sheet as often as you like.

3-Digit Addition With Regrouping Worksheets: printable math worksheet with 20 problems and an answer key, from a free math worksheet generator

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