lesson Write a review lesson Write a review beta EdBrAIn It EdBrAIn uses AI to customize lesson resources for your students’ needs. Math problem - Harmonically 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 — Mathematical Functions Grade Level Grades 9-12 License About Resources Reviews Related About This Lesson Is it true that a large integer m can be taken such that: 1 + 1/2 + 1/3 + ... +1/m > 100 ? Resources External resources http://nrich.maths.org/public/viewer.php?obj_id=6076 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