Lesson Worksheet: Area of Squares and Rectangles Mathematics • 4th Grade

In this worksheet, we will practice writing a formula for the area of a rectangle using its base and height and using it to calculate the areas of squares and rectangles.


Find the area of a rectangle whose length is 12 cm and width is 4 cm.


The length of a rectangle is 9 cm and the width is 8 cm. What is the area of the rectangle?


Work out the area of the rectangle.


The length of a rectangle is 7 cm and its area is 42 cm2. What is the width of the rectangle?


Find the length of a rectangle with width 6 cm and an area of 66 cm2.


A rectangular bedroom is 4 meters long and 3 meters wide. Find its area.


Choose the rectangle whose area is 12 square units.

  • A
  • B
  • C
  • D


The rectangle has an area of 28 square units. One side measures 7 units.

Find the missing side length.

  • A14 units
  • B4 units
  • C21 units
  • D5 units
  • E3 units


Calculate the area of the shape.


Calculate the area of a rectangle whose length is 10 cm and width is 5 cm.

This lesson includes 21 additional questions and 134 additional question variations for subscribers.

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