In the Early Years, something beautifully simple happens in maths lessons. A child places one counter on the table, then two counters next to it, and we say, “One add two makes three.”  Then, almost magically, we slide the counters around, swap their order, and show that “Two add one also makes three.” That small moment, children watching counters trade places while the total stays the same, is their first meeting with the commutative property. They don’t call it that, of cou

Interactive CPD brochure

Using examples in the classroom