As an overview of place value involving numbers in the hundreds, this resource would be incredibly beneficial. There are only a few examples, but the graphics make this concept come alive. In a lower grade classroom, this presentation...

Images of base ten blocks are used to reinforce counting past 10. Learners will count along, adding units to each 10 as they go from 10 to 30.  Each number is shown on a 100 block, as blocks of 10s and 1s, and in numeric form as...