The primary goal of PBL is to develop students' critical thinking and problem-solving skills. This is achieved by engaging students in real-world problems that require them to apply their knowledge and skills to find solutions.

One of the key characteristics of PBL is that students work in small groups to investigate and solve problems. This collaborative approach encourages students to share their ideas and learn from each other.

In PBL, the teacher's role is to facilitate students' learning and provide guidance as needed. This involves creating a supportive learning environment, encouraging students to think critically and solve problems, and providing feedback on students' work.

Real-world problems used in PBL are typically complex and require students to apply their knowledge and skills to find solutions. Designing a website for a local business is an example of a real-world problem that could be used in PBL.

PBL can be used to promote student engagement and motivation by providing students with opportunities to work on real-world problems. This allows students to see the relevance of their learning and apply their knowledge and skills to solve problems that are meaningful to them.

Portfolios of student work are a common assessment strategy used in PBL. Portfolios allow students to showcase their learning over time and demonstrate their ability to apply their knowledge and skills to solve problems.

PBL can be used to promote collaboration and teamwork by having students work in small groups to solve problems, providing students with opportunities to share their ideas with each other, and encouraging students to help each other learn.

Teachers may face a number of challenges when implementing PBL, including students struggling to work independently, students not being able to find real-world problems that are appropriate for their learning level, and teachers not having the necessary training and support to implement PBL effectively.

Teachers can overcome the challenge of students struggling to work independently in PBL by providing students with clear instructions and expectations, breaking down tasks into smaller, more manageable steps, and encouraging students to work together and help each other.

PBL offers a number of benefits for students, including helping them develop critical thinking and problem-solving skills, preparing them for the workplace, and helping them learn how to work collaboratively.

PBL can be used to promote creativity and innovation by encouraging students to come up with new ideas and solutions, providing students with opportunities to experiment and take risks, and creating a supportive learning environment where students feel comfortable sharing their ideas.

PBL is characterized by the use of real-world problems, small group work, and student-centered learning.

PBL can be used to promote lifelong learning by helping students develop critical thinking and problem-solving skills, preparing them for the workplace, and helping them learn how to work collaboratively.

Students may face a number of challenges when working in small groups in PBL, including not being able to work well with others, not being able to contribute equally to the group, and not being able to resolve conflicts within the group.

Teachers can help students overcome the challenge of not being able to work well with others in PBL by teaching students about the importance of teamwork and collaboration, providing students with opportunities to practice working in small groups, and helping students develop conflict-resolution skills.