It looks like you haven't set a station - localize now.
Don't have WORLD Channel in your area? Take a look at everything we have to offer below and WATCH online now!
Illustrative Math: Grade 6, Unit 7, Lesson 2: Points on the Number Line
Illustrative Math: Grade 7, Unit 6, Lesson 20: Combining Like Terms (Part 1)
Illustrative Math: Grade 8, Unit 7, Lessons 5 & 6: Negative Exponents with Powers of Ten and What about Other Bases?
Illustrative Math: Algebra 1, Unit 7, Lesson 11: What Are Perfect Squares?
Nature: Sex, Lies and Butterflies
National Parks: America's Best Idea: The Morning of Creation (1946-1980)