Subject Guide - ICAS Mathematics (Chinese and English versions)


From Primary 3 to Form 5 students (Years 3 to 11 students)

Question Types

Variety of online interactions are used including multiple-choice, drag and drop and short text entry question types

Skill Areas

Chance and Data / Algebra and Patterns / Measures and Units / Number and Arithmetic / Space and Geometry

Why Participate in ICAS

ICAS Online Sample Tests

Mathematics Paper A (Primary 3)



Mathematics Paper C (Primary 5)



Mathematics Paper E (Form 1)



Mathematics Paper G (Form 3)


ICAS Assessments Structure

ICAS Assessments Demo Questions

The following link is to a sample online test that provides an idea of the types of interactions and navigations that students may find in the online ICAS Assessments

Students should become familiar with how to:

  • navigate through a test 
  • answer questions
  • scroll and expand parts of the screen
  • use the online ruler and calculator

Note: The second last question requires audio and is only applicable to ICAS Spelling Bee (not offered in Hong Kong). 

How to apply for ICAS?

Please click on the icon below.

Contact ICAS Hong Kong SAR China Office

International Competitions and Education (ICE)

Office Telephone: (852) 3756 0091

WhatsApp: (852) 6755 4435 / (852) 9889 7022

Website:  https://icecompetitions.com

E-mail: office@icecompetitions.com

Postal Address: Unit 2302, 23/F, New World Tower 1, 18 Queen’s Road Central, Central, Hong Kong


“Mathematics is not only a formula and an answer, but also a process of thinking. ICAS Mathematics challenges student to use higher order thinking skills.”

Primary School Mathematics Subject Panel Head

“Mathematics is part of our life, and ICAS Mathematics can be applied to everyday life. Students can handle this type of assessment easier.”

Secondary School Mathematics Teacher

“My children participate in ICAS Mathematics to challenge themselves each year. The questions are from easy to difficult, so my children have motivation to finish the whole assessment.”

Primary School Parent