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Walk the edge of every shape and add as you go. An hour-long Year 3 maths lesson on perimeter, ages 7 to 8. The lesson covers: what perimeter is — the distance all the way around a shape; measuring and adding every side; clever shortcuts for rectangles; designing your own shapes to a given perimeter; and a perimeter challenge to put it all to the test. Ready-to-teach PowerPoint, no prep.
Walk the edge of every shape and add as you go. An hour-long Year 3 maths lesson on perimeter, ages 7 to 8. The lesson covers: what perimeter is — the distance all the way around a shape; measuring and adding every side; clever shortcuts for rectangles; designing your own shapes to a given perimeter; and a perimeter challenge to put it all to the test. Ready-to-teach PowerPoint, no prep.