A set of engaging activities to give the learners the concept of area. National Curriculum Year 4 mathematics.
Area by counting squares, area of rectangles as arrays, and addition and subtraction of rectangles to find the area of a rectilinear shape.
Statutory requirements
Pupils should be taught to:
• find the area of rectilinear shapes by counting squares
Notes and guidance (non-statutory)
They relate area to arrays and multiplication.
But also great for revision in Year 5 and above. I've done this sort of thing with Foundation GCSE!