These free apps are based on the visual models featured in Bridges in Mathematics. Apps are available in multiple versions: a web app for all modern browsers, and downloadable versions for specific …

Explore our collection of free, preprinted, and perforated math manipulatives, including pattern blocks, colored tiles, base ten pieces, and money value pieces.

Lessons and Publications Bring hands-on learning and visual models to any mathematics classroom with our extensive collection of free curricular materials. Access lessons

The Fractions app is an open-ended educational tool, ideal for elementary classrooms and other learning environments that use laptops, iPads, or Chromebooks. Fraction models are a key …

Number Line helps students visualize number sequences and demonstrate strategies for counting, comparing, adding, subtracting, multiplying, and dividing.

Bridges in Mathematics is a full PK-5 curriculum featuring relevant, open-ended tasks and a coherent set of visual models to help students develop their conceptual understanding, procedural fluency, and …

Fractions lets students use a bar or circle to represent fractions.

Geoboard is a tool for mathematical exploration. Stretch bands around the pegs to form line segments and polygons, and make discoveries about perimeter, area, angles, congruence, fractions, and more.

Math concepts can be explored in a variety of ways using a flexible set of tools to sketch, write, and build equations. The Whiteboard app is an open-ended educational tool, ideal for elementary classrooms …

Number Frames help students structure numbers to five, ten, twenty, and one hundred. Students use the frames to count, represent, compare, and compute with numbers in a particular range.