This math topic focuses on calculating the area of a circle using the radius. It's part of a broader unit on introductory geometry, specifically concerning the area of circles. The tasks encourage students to find the area without using a calculator, and provides a useful hint that pi is just slightly over 3. The problems have been designed to help improve the understanding of circle geometry and enhance critical thinking skills.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Find the area without using a calculator. Remember that π is just a bit more than 3.