Free · Grade 3 · Grids to 10 squares a side

Area by counting squares worksheets

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Ready to printArea by counting squares
Area by counting squares worksheet — Grids to 10 squares a side, free printable with answer key

The answer key prints on a separate page.

What's on this sheet

No numbers are printed beside the shapes, and that is deliberate. Labelling the sides would quietly turn the question into a multiplication, which is the next standard and a year later. Here the grid is the question: a child puts a finger on each square, counts, and discovers that area is an amount of covering rather than a rule to remember.

Why this sheet works

The irregular figures are the ones that matter most. An L-shape cannot be counted in one clean sweep, so a child has to organise the count themselves — by rows, by parts, or by finding the big rectangle and taking the bite away. Children who have only ever counted rectangles will often try to multiply the bounding box, which is the error this practice exists to surface.