Ball Drop

Standards
1.OA.A1 – Using addition and subtraction within 20.

Act 1

(I couldn't use 2019 because it was rainy and foggy in NYC.  You couldn't really see the ball drop because of all the rain on the camera lenses).

Focus Questions - How tall is that pole?  How fast does the ball drop?

Act 2

Image Image

Act 3

Image