Counting to 20 with Number Line and Ten-Frames - Free Math Teaching Resource #231902 (License: Personal Use)

This educational graphic combines a horizontal number line (0-20) with nine ten-frame grids, each progressively filled with pink counters to represent numbers 1 through 20. The layout supports subitizing, counting, and number sense development by linking numeral symbols with concrete visual groupings. Designed for classroom use or at-home practice, it reinforces foundational numeracy skills aligned with early elementary standards.

Used in kindergarten and first-grade math instruction for teaching counting, cardinality, and number representation; ideal for worksheets, digital whiteboards, or flashcards where students match quantities to numerals.