Finding Perimeter Of Rectilinear Shapes: Maths Geometry — Interactive Lesson (Ages 8–9)

Help Year 4 pupils calculate the perimeter of rectilinear shapes including compound shapes. Aligned to the Year 4 National Curriculum for maths, this resource develops pupils’ ability to find the perimeter of rectilinear shapes by adding all side lengths, including shapes with missing sides.

Mastering perimeter of rectilinear shapes with Our Year 4 Maths Interactive Geometry Lesson & Activities

The National Curriculum for Year 4 Maths requires pupils to develop fluency, mathematical reasoning and problem-solving skills in perimeter of rectilinear shapes. This resource provides structured, engaging activities that build confidence and deep understanding.

What’s Inside This perimeter of rectilinear shapes Resource

• Interactive lesson slides on perimeter of rectilinear and compound shapes
• Perimeter calculation activities
• Missing side length reasoning tasks
• Comparing perimeters of different rectilinear shapes
• Printable worksheet and quiz slides

Key Benefits for Students

• Builds fluency in calculating perimeter of rectilinear shapes
• Develops reasoning about missing lengths using perimeter
• Encourages systematic addition of all side lengths
• Supports progression to area calculations

Why Teachers Love It

• Curriculum-aligned to Year 4 measurement and geometry objectives
• Works within a perimeter and area unit
• Pairs with finding perimeter on a grid resource
• Digital format for whole-class or independent learning

Ready to build fluency and confidence in perimeter of rectilinear shapes? Download this Year 4 Maths resource today for instant classroom impact. Click ‘Add to Cart’ for immediate access.

Designed for ages 8–9 (UK Year 4 / US 3rd Grade). Aligned to the UK National Curriculum; adaptable to US state standards.