K – CO – OE3
One tower of blocks is a lot shorter than another. What could the two towers look like?K – CO – OE4
One tower of blocks almost the same length as another tower. What could the two towers look like?K – CN – OE6
How are 4 and 6 different?K – CN – OE7
How are 4 and 6 similar?Page 9 of 139