We have all been there…trying to get students to develop one-to-one correspondence with concrete objects. You have a pile of counters ready on your table.”Watch how I do it,” you say. “1, 2, 3, 4.” And with great patience, you carefully move one counter at a time from one side of the table to the other. Your student was watching, studying you intently as you counted and moved the objects, now it’s time to switch roles. You instruct the student to do it, “the same way I did it.”
Then you sit back and watch with amazement as the student proceeds to count, while pushing the counters – “1, 2, 3, 4.” Except the amount of counters in the pile doesn’t the match the spoken number. The student was supposed to show 4, but there are 2 or 6 or maybe even 10 counters in the pile! You patiently model again and then trade spots with the student again. And again, limited or no success!
Another great book (I know it’s in your building somewhere) is Math Their Way. It is full of lots of great activities that help develop this layer! https://www.amazon.com/