The Patchery Menagerie: Scrappy Slab Triangles
Free Sewing Pattern: Half Square Triangle Pouch
Half Square Triangle Pouch free pattern download from the Craftsy store!
FREE Easy Sewing Projects for Beginners
Farmer's Wife 1930s block no. 20 - Caroline. Patchwork half-square-triangles and quick quarter-square triangles. Like the prettiness of this block.
Quilt Blocks and Patterns
Nice tutorial on making preface HS triangles, Magic 8 Half Square Triangle chart
A Half Square Triangle Quilt using Alchemy by Amy Butler | happy together
Classifying Triangles Interactive Notebook Page - parts of triangles
Geometry Interactive Notebook
Hexagon and Triangle Shelves, MyLove2Create