Charles Siaw Obeng

About Charles Siaw Obeng

Charles Siaw Obeng is a mathematics educator and researcher with research interests in mathematics education, geometry and geometric thinking, mathematics teaching and learning, educational assessment, and related areas.

His research focuses particularly on students' geometric thinking using the Van Hiele model.

Name: Charles Siaw Obeng

Research Area: Mathematics Education

Professional Role: Mathematics Educator and Researcher

Institution: Serwaa Nyarko Girls' Senior High School, Kumasi, Ghana

Academic Profiles

My academic and research profiles can be accessed through the following scholarly platforms.

ORCID Google Scholar ResearchGate Academia.edu LinkedIn

Academic Qualifications

MPhil Mathematics Education

Kwame Nkrumah University of Science and Technology (KNUST)

MSc Mathematics

University of Cape Coast (UCC)

BSc Mathematics

Kwame Nkrumah University of Science and Technology (KNUST)

Certificate in Education

University College of Education, Winneba

HND Mechanical Engineering

Kumasi Technical University

Research Experience

Mathematics Education Research

Research in mathematics teaching and learning, students' mathematical thinking, geometry education, and educational assessment.

Geometric Thinking Research

Research focusing on students' geometric thinking using the Van Hiele model.

Quantitative Educational Research

Application of quantitative research methods in mathematics education and educational assessment.

Research Interests

Mathematics Education
Geometry Education
Geometric Thinking
Mathematics Teaching and Learning
Educational Assessment
Formative Assessment in Mathematics
Educational Technology
STEM Education
Learning Sciences
Teacher Education
Teachers' Professional Development
Mathematics Achievement
Problem Solving
Quantitative Research
Secondary Mathematics
Van Hiele Geometric Thinking

Research Projects

Van Hiele Geometric Thinking Levels among Senior High School Students in Ghana

Evidence from the Asante Akim South Municipality.

This research investigates students' geometric thinking levels using the Van Hiele model.

Publications

Van Hiele Geometric Thinking Levels among Senior High School Students in Ghana: Evidence from the Asante Akim South Municipality

Type: Research Article

Field: Mathematics Education

Gender Differences in Van Hiele Geometric Thinking Levels among Ghanaian Senior High School Students

Type: Research Article

School Context and Students' Geometric Thinking Levels

Evidence from Three Ghanaian Senior High Schools.

Age and Geometric Thinking among Senior High School Students

A correlational study using the Van Hiele model.

Books, Workbooks & Educational Resources

Concise Physics Notes for WASSCE

Type: Educational Book

Physics learning material designed to support Senior High School students preparing for WASSCE.

Price: $10.00

View / Buy Physics Book

Mathematics Workbook

Mathematics learning and practice materials for students.

Price: Coming Soon

Online Tuition

Online mathematics and physics tuition is available for students seeking additional academic support, examination preparation, revision, and guided learning.

Core Mathematics

Senior High School mathematics lessons, revision, problem solving, and examination preparation.

Elective Mathematics

Advanced mathematics lessons, problem solving, revision, and WASSCE preparation.

Physics

Physics lessons, examination preparation, worked examples, and revision.

Register for Online Tuition

Professional Experience

Head of Mathematics Department

Serwaa Nyarko Girls' Senior High School, Kumasi, Ghana

Responsible for supporting mathematics teaching and learning, coordinating departmental academic activities, supporting assessment and examination preparation, and contributing to mathematics curriculum implementation.

Mathematics Educator

Experience in mathematics teaching, assessment, examination preparation, and development of teaching and learning resources.

Mathematics Examiner

Involvement in mathematics examination and assessment activities.

Academic Contact