lesson Write a review lesson Write a review beta EdBrAIn It EdBrAIn uses AI to customize lesson resources for your students’ needs. Two and one 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 — Counting and Cardinality, Measurement and Data Grade Level Grades K-2 License About Resources Reviews Related About This Lesson Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red? Math Games Measurement and Data Lesson Plans Resources External resources http://nrich.maths.org/public/viewer.php?obj_id=2857 Website http://nrich.maths.org/content/id/2857/MusicalChairs.swf 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