First, students will learn how to evaluate integers and rationals raised to negative integers. Next, students will learn the intuition behind the rule for negative exponents.
Negative exponents by Khan Academy
After that, students will learn how to evaluate binomials, where each term is an integer or rational raised to a negative integer.
Negative powers made easy by Maths Videos - by jayates
Next, give your students this challenge:
Place all the digit cards to make all four equations simultaneously true.
Conclude by leading this investigation: