Shapes

10/27/15 Watch this video about definitions of different polygons.

Adding and subtracting decimals

10/8/15
This video from Wake County shows how to use base 10 blocks and based 10 paper grids to add decimals.

10/12/15
Wake County shows how to add and subtract decimals using number lines in this video.

Rounding Decimals

Watch this video from Wake County to learn about rounding decimals.