Targeted Year 6 resources for 2-step function machines (input -> op1 -> op2 -> output), extending the basic algebraic model, a core KS2 Maths objective. Activities build deepening understanding of performing sequential inverse operations to find the input or the unknown operations, promoting reasoning. This crucial small step supports mastery of algebraic thinking and is vital for national curriculum expectations. The CS Maths Scheme provides structured visual and calculation tasks.
Full step description and curriculum objectives