This manipulative is a 3D version of fraction strips. Each strip is a rectangular piece that will slide onto one … Continued

## Equipment: Laser Cutter

## Conic Sections

This is a model of conic slices that is obtained through reverse-engineering parts of a cone, with its dimensions determined … Continued

## Samantha’s Circles

Samantha’s Circles is a fraction tool that consists of a collection of rings that are stored on a cylindrical pedestal. … Continued

## Minute Minis

Minute Minis are essentially relabeled fraction circles: the whole is labeled ‘1 hour,’ the halves are each labeled ’30 min,’ … Continued