Develop pupils’ confidence in addition, subtraction and mathematical problem-solving with this comprehensive 31-page Year 3 Maths Workbook.

Designed for children aged 7–8, this resource combines structured calculation practice, clear teaching notes, visual mathematical models, differentiated activities and engaging reasoning challenges.

Pupils progress from adding and subtracting three-digit numbers to applying efficient calculation strategies, interpreting bar models, solving multi-step word problems and explaining their mathematical thinking.

Ideal for Year 3 classroom lessons, KS2 maths mastery, independent practice, intervention, homework, revision and home education.
What’s Included?

• 31 printable A4 pages
• 3 pages of teaching notes and worked examples
• 18 differentiated worksheets
• Support, Core, Apply and Challenge activities
• Three-digit addition without exchanging
• Addition with exchanging
• Three-digit subtraction without exchanging
• Subtraction with exchanging
• Partitioning and efficient calculation strategies
• Printed number-line activities
• Bar models and comparison problems
• Missing-number calculations
• Inverse operations
• Estimation and checking strategies
• Money and shopping challenges
• Measurement word problems
• Two-step mathematical problems
• Error-spotting and correction exercises
• Comparing different calculation methods
• Digit-placement puzzles and logic challenges
• Real-life mathematical investigations
• Systematic recording tables
• Mathematical reasoning and greater-depth activities
• Two independent 10-mark assessments
• 7 pages of teacher answers and marking guidance
  Topics Covered

1. Three-Digit Addition

• Addition without exchanging
• Addition with exchanging
• Using column methods
• Understanding hundreds, tens and ones
• Explaining calculation steps

1. Three-Digit Subtraction

• Subtraction without exchanging
• Subtraction with exchanging
• Subtracting across zero
• Checking calculations
• Identifying common errors

1. Efficient Calculation Strategies

• Partitioning numbers
• Using number lines
• Finding friendly numbers
• Comparing calculation methods
• Choosing efficient strategies

1. Bar Models and Missing Numbers

• Part-whole relationships
• Comparison bar models
• Finding missing quantities
• Using inverse operations
• Solving number sentences

1. Estimation and Checking