Targeted Year 2 resources for subtracting from a 10 (number bonds), focusing on bridging strategies to simplify subtraction, a core KS1 Maths objective for mental arithmetic efficiency. Activities employ the CPA approach to build conceptual understanding of partitioning to subtract from ten, promoting varied fluency. This crucial small step supports mastery of subtraction strategies and is vital for national curriculum calculation fluency. The CS Maths Scheme provides structured ten frame and number line practice.