Open Number Lines 1 | 2nd Math Special | 28m 42s | Video has closed captioning. In this lesson, students use different addition and subtraction strategies to solve equations using an open number line.

An open number line can start and stop wherever you want it to. If you're struggling with this concept, go ahead and get a number line and match it up underneath yours to help you figure out where ...

It’s all part of the Human Number Line, a featured activity in UB’s Summer Math Program. The middle school-aged girls — each wearing a signature blue Summer Math Program T-shirt and personalized ...