►Perfect for math intervention or special education direct instruction. ►Notebook is complete with 21 lessons that contain modeling, guided practice, independent practice, and self-evaluation. At the end there is a quiz. ►Topics taught: I can put two-digit number in a hundreds, tens, ones (HTO) chart. I can put three-digit numbers in a hundreds, tens, ones (HTO) chart. I can identify the value of the circles on the HTO chart. I can use the HTO chart to add two-digit numbers. I can write the add