What this page practices
Every worksheet here is Ten-Frame Count, built specifically for Kindergarten. The layout and number range are matched to what Kindergarten can reason through with real, countable visuals — not an abstract difficulty label.
Fresh worksheets, same skill, every variant
Every numbered worksheet below tests the exact same Ten-Frame Count rule with a fresh, deterministically-generated layout — so a child who needs more repetition can work through several variants without ever seeing the identical page twice.
How to check the answer
Every format on this page is self-checking by design — the same dots, blocks, or visible numbers a child used to work out the answer are what an adult uses to check it, so there's no separate answer key to track down.