10 different activities/lessons that allow students to: - Practice working with number, e.g. rounding and using negative numbers - Practice using the 4 operations in math - Work with measurement (e.g. length, volume and height) - Calculate averages - Work with data/data handling Best of all, the lessons/challenges will allow them to learn about the world - including features of the Earth (e.g. mountains and rivers), famous explorers, average temperatures in different locations and animals (e.g.