Using Prime and Square Numbers - How Old Am I?/teaching approach

This short activity offers opportunity for pupils to engage in mathematical thinking⁽ⁱ⁾ and higher order⁽ⁱ⁾ problem solving/reasoning⁽ⁱ⁾. They should be able to make links between different areas of mathematics, and explore their ideas in whole class⁽ⁱ⁾ discussion⁽ⁱ⁾ and questioning⁽ⁱ⁾.