Addition and Subtraction
Free Year 3 addition and subtraction worksheet: mental maths, column method, inverse checks and missing numbers, all with answer keys.
Worksheet details
What is inside this Addition and Subtraction worksheet?
This Year 3 Maths worksheet focuses on Addition and Subtraction. It gives pupils printable practice for this objective: add and subtract numbers mentally, including: a three-digit number and hundreds. It can be used in class, for homework, or for extra support.
Learning focus
Pupils practise the target skill through a focused set of printable tasks.
Key learning points
- The worksheet is built around Addition and Subtraction for Year 3 Maths.
- The questions support the objective: add and subtract numbers mentally, including: a three-digit number and hundreds.
- Tasks can be used for independent practice, small-group support, or homework.
- The worksheet can be customised in Chalkie before printing or sharing.
How to use this worksheet
- Review the key idea for Addition and Subtraction before handing out the worksheet.
- Have pupils try the first task with support so expectations are clear.
- Let pupils complete the main questions independently or with a partner.
- Review answers together and ask pupils to explain one strategy or mistake.
- Use Chalkie to customise the worksheet if pupils need more scaffolding or extra challenge.
Practice tasks
- Use the worksheet after a lesson on Addition and Subtraction.
- Set selected questions as a short homework task.
- Use the first few questions for intervention or small-group work.
- Ask pupils to correct one answer and explain what changed.
More Addition and Subtraction worksheets
Mental Addition and Subtraction
Free Year 3 mental addition and subtraction starter: quick-fire questions, number chains and a strategy explanation. Answers included.
Estimating and Checking with Inverse Operations
Free Year 3 worksheet on estimating answers and checking with inverse operations: an 11-gap cloze story plus writing questions. Answers included.
Column Subtraction
Free Year 3 column subtraction worksheet: no exchanging, exchanging, subtracting through zero and spot-the-mistake. Answer key included.
Column Addition
Free Year 3 column addition worksheet with 32 questions, from no exchanging to double exchanges and missing digits. Answer key included.
Three-Digit Addition and Subtraction Word Problems
Free Year 3 word problems using three-digit addition and subtraction, set at a school fair. Worked solutions included.
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Maths is an important stage in the Year 3 curriculum. On this site you'll find a collection of example Year 3 worksheets created by teachers to support learning objectives for this year group. Every resource is editable and created using Chalkie's AI tools.
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While these materials are used in schools, they're also great for parents, home educators, and tutors. All worksheets and activities were created by real teachers using Chalkie's AI tools and can be printed or adapted for home learning.
Curriculum aligned resources
Every Year 3 Maths worksheet is mapped to the national curriculum and editable to match your school's schemes of work.
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