Spatial Base Ten Blocks Home › Forums › Tactile Graphics › Spatial Base Ten Blocks This topic has 0 replies, 1 voice, and was last updated 11 years, 1 month ago by Chris Clemens. Viewing 1 post (of 1 total) Author Posts October 11, 2012 at 6:28 pm #11261 Chris ClemensKeymaster Hello, I have this tactile graphic for a 3rd grade student for math. It is a spatial subtraction problem using base ten blocks. Could you tell me how you would suggest to set this up?ThanksTina Author Posts Viewing 1 post (of 1 total) Everyone is free to read the forums, but only current NBA members can post. Become a member today. Click here to Login and return.