Slides designed to help teach how to use a number line to solve subtractions problems using 10's and 100's. A total of 7 slides with space to illustrate and write during the lesson and the file you download contains a jpeg, PDF, and power point file.

2.MD.6

Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.

To see the full length lesson video for these slides: http://skubes.com/lesson/using-number-lines-subtract-10s-and-100s