

Strong number sense in KS2 lays the foundation for long-term mathematical success. Yet subtraction — particularly written and mental methods — is one of the most common areas where pupils struggle.
That’s why we’re delighted to offer a free online CPD course for primary teachers, written by Jo Morgan: Subtraction Methods for KS2 Maths
In primary and international schools alike, subtraction is far more than a procedural skill. It underpins:
For many pupils, inconsistent teaching approaches or gaps in conceptual understanding can lead to long-term misconceptions.
High-quality CPD helps teachers build clarity, consistency and confidence in how subtraction is taught across KS2.
Created by respected maths educator Jo Morgan, this course explores effective, research-informed approaches to teaching subtraction in Key Stage 2.
Throughout the course, you will:
The course focuses on developing deep mathematical understanding — not just procedural fluency — ensuring pupils build secure foundations.
Our CPD courses are built for busy educators. Each course:
Whether you’re looking to refresh your practice, develop new skills, or strengthen your CPD portfolio, you can complete these courses.
This course is particularly valuable for teachers in international settings where:
This course is for you, if you’re searching for:
International schools are diverse by nature. Teachers often work across cultures, languages, and educational systems, and professional development needs to be both high-quality and adaptable.
Seneca’s CPD courses help you build confidence in areas that matter most in international settings, supporting students effectively, strengthening teaching practice, and developing your professional toolkit.
Once you complete a course, you’ll receive a certificate you can use for:
If you’re an international school teacher looking for quick, meaningful, and flexible CPD, Seneca’s free online courses are a great place to start.