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Common Core · Grade 4

4.MD.A.3 worksheets

Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

The Common Core State Standards for Mathematics code 4.MD.A.3 asks students to: “Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.” These printable Fieldbook pages practise it, each with a full answer key.

Printable practice packs

Pack pages are written to the Ontario curriculum; they show 4.MD.A.3 where the Ontario expectation matches it directly.

More Common Core standards for Grade 4

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