Alabama Learning Exchange
Alex: Pizza! Pizza! Pizza!
In groups of two or three, students decide on what to order at a pizza place given a set budget and a menu.
BBC
Bb Ci: Review Significant Digits
BBCi presents a test prep review ("revision") section on significant digits and on approximating an answer by rounding in order to work with an easy number. Click on "Test Bite," on the last page to get an interactive quiz.