➗ MathGrade 3 · Ages 8-9Hard · 20 Q
3-Digit Addition Worksheet – Grade 3
Add three-digit numbers with sums up to 1,000. The easy sheet has no regrouping (342 + 215); the hard sheet regroups in the ones, the tens, or both (387 + 456), so kids practise carrying column by column.
Answer key included at the end of the PDF
What kids practice
- Add a three-digit number and a two- or three-digit number without regrouping
- Regroup ones into tens and tens into hundreds when adding
- Add column by column from the ones
20
Questions
Hard
Difficulty
3
Grade
~40 min
Time
