Foundational Year 4 resources for Roman numerals up to 10 (I, V, X), reinforcing the basic number system symbols, a core KS2 Maths objective. Activities build conceptual understanding of the additive and subtractive principles (e.g., VI=6, IV=4), promoting reasoning. This essential small step supports mastery of Roman numerals and is vital for meeting national curriculum expectations. The CS Maths Scheme provides structured conversion and reading tasks.