Elementary Math Tools: Hundreds Chart, Ten Frames, and Open Number Lines is a set of essential visual supports designed to help young mathematicians build number sense, represent thinking, and show their work clearly. This resource includes three printable tools: a 1–100 Hundreds Chart, three 2×5 Ten Frames, and multiple Open Number Lines. The clean, student-friendly design makes these tools easy to read and practical for everyday classroom use.

These tools are ideal for whole-group instruction, small-group intervention, independent practice, and assessments. They support students in counting, composing and decomposing numbers, skip counting, place value understanding, and visualizing addition and subtraction strategies.