Many of the resources I use I make. I really don’t use many printable because children learn better when they are able to manipulate what they are counting.
Here I drew some dots and had them match them to the correct number.
After we practice counting with the cubes we used stamps
Here are some worksheets very similar to my activity.
Counting Triangles: We practiced counting triangles and then had to circle the correct number.
Here are some worksheets I use. Some I print out and some I just simply remake like the sample above.