Targeted Year 3 resources for pupils to calculate perimeter of simple 2D shapes (rectilinear figures), applying addition skills to geometry, a core KS2 Maths objective. Activities build reasoning and problem-solving skills by requiring pupils to find missing side lengths and sum all sides accurately. This essential small step supports mastery of perimeter and is vital for meeting national curriculum expectations. The CS Maths Scheme provides structured visual shapes and calculation tasks.
Full step description and curriculum objectives