Students apply index laws to numbers (Year 9, Mathematics, Australian Curriculum).This PowerPoint lesson teaches the key notations for number (index, expanded and evaluated). It also includes order of operations recap warm-ups, structured PowerPoint, activity resources and differentiated options to help students engage.The printable activity is an easy to access version of the recap warm-up. Ready to print, with solutions. Learning Intention:• Students understand how to notarise numbers in diffe