lesson Write a review lesson Write a review beta EdBrAIn It EdBrAIn uses AI to customize lesson resources for your students’ needs. Coin Lines Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link nrich maths Subject Math Grade Level Grades 9-12 License About Resources Reviews Related About This Lesson If a coin rolls and lands on a set of concentric circles what is the chance that the coin touches a line ? Resources External resources http://nrich.maths.org/public/viewer.php?obj_id=6110 Website Reviews Be the first to submit a review! Advertisement More from this Contributor Lesson Math Story Time Activity • Grades K-2 nrich maths Lesson Making Caterpillars Activity • Grades K-2 nrich maths Lesson Baskets Activity • Grades K-2 nrich maths Lesson Got a strategy for the last biscuit? Grades 3-12 nrich maths Lesson Efficient stage Activity • Grades 6-8 nrich maths Lesson Finding fifteen Activity • Grades K-5 nrich maths