Area of Composite Figures Worksheet​

Area of Composite Figures Worksheet


Grade Levels
6th to 8th Grade Students

Focused Skills
Area Calculation Skills, Composite Figures Understanding, Formula Application, Approximation and Rounding, Unit Conversion Awareness, Problem-Solving in Real-Life Scenarios, Attention to Detail

File Format
Printable PDF and Online Math Quiz

Area of Composite Figures Word Problems – Try Interactive Worksheet

15 Word Problems
Collect 15 Points

A backyard has a rectangular lawn of 25 feet by 10 feet with a circular pond of radius 3 feet in one corner. What’s the total area?

A patio has a rectangular section that measures 9 meters by 6 meters, and there’s a semicircular step with a diameter of 6 meters at one end. What’s the total area of the patio?

A banner has a rectangular section of 10 inches by 7 inches with a semicircular end of radius 3.5 inches. What is the total area of the banner?

Sarah’s rectangular garden measures 10 feet by 6 feet. She adds a semicircular flower bed with a diameter of 6 feet on one side of the garden. What is the total area of the garden and flower bed combined?

A walkway consists of a rectangle 14 feet by 5 feet and a semicircle with a radius of 2.5 feet on one end. What’s the total area of the walkway?

A rectangular plot of land is 20 meters by 15 meters, with a circular fountain of radius 4 meters at one end. What’s the area?

A park has a rectangular grassy area that’s 20 feet by 15 feet, with a small circular pond in one corner with a radius of 3 feet. What is the total area of the grassy region?

A swimming pool is made up of a rectangle measuring 15 meters by 8 meters and a semicircle at one end with a diameter of 8 meters. What is the total area of the pool?

A pool deck has a rectangular section 18 feet by 8 feet with an attached circular area with a radius of 4 feet. What is the total area?

The playground at a school consists of a rectangle that measures 25 meters by 12 meters and an adjoining triangular sandbox with a base of 12 meters and height of 6 meters. What is the total area of the playground?

A dining table top has a rectangular surface of 6 feet by 3 feet with a semicircular extension on one side with a radius of 1.5 feet. What is the total area?

A banner has a rectangular portion that’s 8 inches by 5 inches, with a circular logo of radius 2 inches added on top. What’s the area of the banner and logo?

A kitchen island has a rectangular base measuring 7 feet by 4 feet and a semicircular countertop with a diameter of 4 feet on one side. What’s the total area?

A room has a rectangular floor measuring 16 feet by 12 feet with a semicircular carpet at one end with a diameter of 8 feet. What is the area of the floor and carpet?

A garden bed has a rectangular part measuring 12 feet by 9 feet and an attached trapezoid with bases of 9 feet and 5 feet and a height of 4 feet. What is the total area?


 

What is an area of composite figures worksheet, and how can it help students?

An area of composite figures worksheet is a tool that helps students practice calculating the areas of shapes made up of multiple geometric figures. This specific worksheet is designed for Grades 6 to 8 students and includes 15 engaging word problems that focus on real-life applications of geometry. With a mix of rectangles, circles, triangles, and other shapes, students learn to break down complex figures into simpler parts, making these problems less intimidating and more approachable.
Calculating the area of composite figures isn’t just about plugging numbers into formulas; it teaches students to think logically, use spatial reasoning, and build confidence in their math skills. The included answer keys let students check their work or seek guidance if they’re struggling. This giving them a chance to learn at their own pace.

Why are composite figures important in geometry?

Composite figures are important because they help students apply their knowledge of basic shapes to more complex, real-world scenarios. Think about a park with a rectangular lawn and a circular pond in one corner or a playground with a sandbox attached to a rectangular area. Calculating the area of each part separately, then combining them, mirrors how geometry is used outside the classroom.

Learning to solve these problems sharpens students’ attention to detail and strengthens their ability to apply formulas in varied situations. They also get a chance to understand how multiple shapes interact, which is a skill that sets the foundation for high school geometry.

What skills does this worksheet focus on?

This area of composite figures worksheet focuses on several skills essential for middle school math:

Area Calculation Skills: Students use formulas for various shapes to find their areas.

Composite Figures Understanding: By breaking down composite figures, students learn to tackle complex problems step-by-step.

Formula Application: Each question requires applying the correct formula and it improve their understanding.

Approximation and Rounding: Students practice rounding appropriately, especially when dealing with decimals and π.

Unit Conversion Awareness: They learn to keep units consistent to avoid calculation errors.

Problem-Solving in Real-Life Scenarios: Each word problem mimics real-world scenarios, helping students see how geometry applies to everyday life.

Attention to Detail: They must be precise, ensuring all areas are included and accounted for in the final answer.

Is there an answer key for this worksheet?

Yes, the worksheet includes a complete answer key so students can check their answers or seek guidance if they’re unsure. Having the answers on hand is a valuable tool for learning; it allows students to identify mistakes and understand the correct approach to similar problems in the future. This self-checking aspect is particularly useful for independent learners.

How can students access this worksheet?

The worksheet is available for download in PDF format, so it’s easy to print and use at home or in the classroom. For students who prefer online practice, there’s also an interactive version that works like a quiz. The digital option is great for immediate feedback, allowing students to check their answers as they go along, which can be both motivating and helpful for mastering each concept before moving on to the next.

Can the worksheet be used for review or test preparation?

Absolutely! This worksheet serves as a great review for students who need more practice before a test. These word problems make it a solid choice for reinforcing the concepts they’ve learned in class. By working through these problems, students build a strong foundation in calculating the area of composite figures—a skill that’s essential for success in middle school math and beyond.

How to Solve an Area of Composite Figures Word Problem


Problem: A swimming pool is made up of a rectangular section measuring 15 meters by 8 meters with a semicircular end that has a diameter of 8 meters. What is the total area of the pool?


Time needed: 5 minutes

Step-by-step guide to calculate the area of a pool made up of a rectangle and a semicircle.

  1. Identify the Shapes in the Composite Figure

    Recognize that the pool consists of a rectangle and a semicircle. The rectangle measures 15 meters by 8 meters, and the semicircle has a diameter of 8 meters.

  2. Calculate the Area of the Rectangle

    Use the formula: Area = Length × Width. For the rectangle, multiply 15 meters by 8 meters to get an area of 120 square meters.

  3. Calculate the Area of the Semicircle

    First, find the radius of the semicircle by dividing the diameter (8 meters) by 2, which gives 4 meters. Then, calculate the area of a full circle and divide by 2. The area of the semicircle is approximately 25.13 square meters.

  4. Add the Areas of Both Shapes

    Add the area of the rectangle (120 square meters) to the area of the semicircle (25.13 square meters) to get the total area, which is approximately 145.13 square meters.

What is an area of composite figures worksheet?

An area of composite figures worksheet is a set of problems designed to help students practice calculating the areas of shapes made up of two or more simpler geometric figures. These composite shapes could include a combination of rectangles, triangles, circles, and other polygons. By working through these problems, students learn how to break down complex shapes and find the total area by adding or subtracting areas of individual parts.

How do you find the area of a composite figure?

To find the area of a composite figure, start by identifying and separating each simple shape that makes up the overall figure. Calculate the area of each part individually using the correct formula for that shape (like length × width for rectangles or ½ × base × height for triangles). Then, add up all the areas to get the total. In some cases, you might need to subtract areas, like if there’s a hole in the shape. This step-by-step approach simplifies even the trickiest figures.

Why is learning the area of composite figures important?

Learning to calculate the area of composite figures is essential because it’s a skill used in many real-world scenarios. Think about designing a park, painting a wall with windows, or planning a garden layout—each involves shapes that aren’t just simple rectangles or circles but combinations of different areas. This skill helps students see how math applies beyond the classroom, builds logical thinking, and prepares them for more advanced geometry.

What skills are taught in an area of composite figures worksheet?

An area of composite figures worksheet helps students practice several key skills, like area calculation, understanding composite shapes, applying formulas, and paying attention to detail. Students also learn to approximate results, convert units when necessary, and problem-solve in real-life scenarios. Altogether, these skills help them handle complex geometry problems with confidence.

What shapes are usually included in composite figures?

Composite figures typically include basic shapes like rectangles, circles, triangles, trapezoids, and semicircles. In more advanced worksheets, you might even see combinations of irregular shapes. By breaking down these composite figures into parts, students can calculate each shape’s area and add them up to find the total.

How can I make calculating composite figures easier?

To make calculating the area of composite figures easier, start by drawing or sketching the figure if it isn’t already labeled. Label each part and write down the area formula you’ll need for each shape. Calculate the area of each part one at a time, being careful with units and any rounding. Finally, add or subtract the areas as needed. This organized approach will save you time and reduce mistakes.

Are answer keys included with area of composite figures worksheets?

Yes, most area of composite figures worksheets come with answer keys. The answer keys provide detailed solutions to each problem, making it easy to check your work and understand where you might have gone wrong. These answer keys are great tools for self-study, allowing students to learn and improve at their own pace.