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Grade 4 Area & Perimeter Worksheet with Answers

Grade 4 (US) · Year 5 (UK) · Class 4 (India) · Math

Unit 6: MeasurementArea & PerimeterCCSS 4.MD.A.3

Finding the area and perimeter of rectangles and squares, missing side lengths, L-shaped rooms and real-life problems like fencing a garden. This free upper elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Area & Perimeter

Grade 4 · Math

Score___ / 12

Name

Class

Date

Learning goal: Area & Perimeter · CCSS 4.MD.A.3

Directions: Use the pictures to help you. Solve each problem. Show your work, then write your answer in the box.

Example

Find the area of a rectangle 5 m long and 7 m wide.

Answer: 35 m²

RememberArea and perimeter

RectangleA = l × wPerimeterP = add all sidesTriangleA = ½ × b × h
  1. 1

    A rectangle has a perimeter of 24 cm. Its length is 10 cm. What is its width?

    10 cm?Perimeter = 24 cm
    Answer
  2. 2

    Find the area of a rectangle 13 cm long and 3 cm wide.

    13 cm3 cm
    Answer
  3. 3

    Find the perimeter of a rectangle 12 ft long and 6 ft wide.

    12 ft6 ft
    Answer
  4. 4

    A rectangle has an area of 165 m². Its length is 11 m. What is its width?

    11 m?Area = 165 m²
    Answer
  5. 5

    A rectangle has an area of 54 m². Its length is 6 m. What is its width?

    6 m?Area = 54 m²
    Answer
  6. 6

    A rectangle has a perimeter of 16 ft. Its length is 6 ft. What is its width?

    6 ft?Perimeter = 16 ft
    Answer
  7. 7

    Find the perimeter of a rectangle 3 ft long and 8 ft wide.

    3 ft8 ft
    Answer
  8. 8

    A rectangle has an area of 56 in². Its length is 4 in. What is its width?

    4 in?Area = 56 in²
    Answer
  9. 9

    A rectangle has a perimeter of 52 cm. Its length is 13 cm. What is its width?

    13 cm?Perimeter = 52 cm
    Answer
  10. 10

    A rectangle has an area of 36 ft². Its length is 9 ft. What is its width?

    9 ft?Area = 36 ft²
    Answer
  11. 11

    A rectangle has an area of 45 in². Its length is 3 in. What is its width?

    3 in?Area = 45 in²
    Answer
  12. 12

    A rectangle has a perimeter of 42 ft. Its length is 12 ft. What is its width?

    12 ft?Perimeter = 42 ft
    Answer

★ Challenge corner for fast finishers

A farm has chickens and cows. There are 20 heads and 60 legs. How many cows are there?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/4/area_perimeter

Answer key (click to show)
  1. 1.2 cm
  2. 2.39 cm²
  3. 3.36 ft
  4. 4.15 m
  5. 5.9 m
  6. 6.2 ft
  7. 7.22 ft
  8. 8.14 in
  9. 9.13 cm
  10. 10.4 ft
  11. 11.15 in
  12. 12.9 ft
  13. ★10 (challenge corner)

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How to use this worksheet

  • Use it as a 10–15 minute warm-up or homework task rather than a long drill.
  • Ask students to show their working so you can see where a mistake started, not just that it happened.
  • Mark it with the answer key together, then print a fresh version of the same topic to practise the questions they missed.

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