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  • An International School

    The expansive landscaped campus of Léman International School Chengdu is nestled amid lush fields and gardens at the foot of Chengdu’s hills.

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  • Student Life at LIS

    Students will uncover talents, abilities and discover new interests and carry them throughout their lives.


  • Experienced and Talented Team

    Our experienced and talented team of professionals is a critical component of our success as a truly outstanding learning institution.


  • Personal Growth

    At Léman we believe the only measure that matters is that of your child’s academic and personal growth.


  • Welcome to Admissions

    Léman International School Chengdu is the premier international school in southwestern China, serving students from Nursery through Year 13.


  • School News

    Find out the latest news from our family.

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High School Math News

  • Math 1
  • Math 2
  • Math 3
  • Math 4
  • Math 5

Grade 9

The Grade 9 MYP Mathematics class is currently learning to solve real-world problems using right angle trigonometry.  In a recent class, the students developed their social and organizational skills by working in small groups to attempt to find the heights of objects located on, or nearby, the LIS campus.  They did this by making a clinometer to measure angles; using a trundle wheel or tape measure to measure distances; and using their knowledge of trigonometry to calculate the unknown heights. 

Grade 10

The Grade 10 MYP Mathematics class is building upon their knowledge of right angle trigonometry by investigating methods of finding unknown measurements of non-right angle triangles.  Next week, they will apply this knowledge to solving real-world problems involving trigonometry, such as in navigation or surveying.  Students will continue to use trigonometry in their current unit of study when learning about vectors.

Diploma Program

The Grade 11 Mathematics students have nearly completed Topic 3:  Circular functions and trigonometry.  They are using the knowledge and problem-solving strategies that they developed in MYP to solve more complex problems in trigonometry, such as mathematical modeling using trigonometric functions and finding unknown measurements in two or three dimensions.  At the end of February, the Grade 11 students will begin to study Topic 6:  Calculus.

The Grade 12 students are in various stages of preparing for their mock exams and completing the study of new content for HL Mathematics.  Hang in there!  The end is nearly within sight.

Coming Up

Thursday, March 14th – Pi Day

Wednesday, March 20th – CISA Math Bowl at CDIS

April (various dates) – CEMC Mathematics Contests

There will be more information coming soon about registration for the latter two events.