Area and Perimeter of Rectangles Worksheets, Grade 4 (4.MD.A.3) – Free Practice PDF

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Practice prints on US Letter paper. Free for classroom and home use.

Teach it with Mr DJ

Print, project, edit and play. The matching game uses the same Math Crew and pepper levels.

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Key idea

Area counts covering squares; perimeter counts boundary length. Label units and distinguish them.

A rectangle is 7 cm by 3 cm. Draw and label it. Find BOTH area and perimeter.
A rectangle is 8 cm by 4 cm. Draw and label it. Find BOTH area and perimeter.
A rectangle is 6 cm by 5 cm. Draw and label it. Find BOTH area and perimeter.
A rectangle’s area is 21 cm² and its width is 3 cm. Find its length and perimeter.

A student calls 7×3=21 the perimeter, confusing covering squares with boundary length.
Name the quantities and units before choosing an operation.
A claim needs an explanation or a counterexample, not just an answer.

The answer key explains each one, so you can tell what a wrong answer means.

Teach with the slides (about 15 minutes): a warm-up, the big ideas, a “spot the slip” challenge, Mr DJ’s worked example, and a pick-your-pepper round on whiteboards. Or watch the video together.
Practice with the worksheet. Everyone does Mild and Medium, then climbs to Spicy and Extra Spicy.
Check understanding with the exit ticket, and send the homework home.
Mark with the answer key — each answer shows the steps and the most likely mistake. The slides’ teacher notes are in the key too.