Addition
Addition Worksheet – Year 3
Year 3 three-digit addition — twenty sums including exchanges where appropriate. Answer page supports self-assessment when adding hundreds, tens, and ones mentally or in columns.
About this resource
- Category
- Maths
- Type
- Addition
- Year group
- Year 3
- Format
- A4 PDF
Good for
- Column practice with carrying in the ones
- Estimating answers by rounding first
- Checking with inverse subtraction
- Building stamina before multi-step word problems
Common questions
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