How to calculate the measurement for 8 half square triangles (HSTs).

Not only does this foldable provide all variations of the formula involving Mass, Volume and Density, but the foldout part already has the definitions filled in for you. A GREAT piece to add into a journal to help students with vocabulary and with the und

Use my step by step instructions to learn how to make easy quick pieced quarter square triangle units without handling individual triangles.: Make Quarter Square Triangle Unit Variations

Right Triangle Formulas, Calculator and Table of Trigonometric Function Values / Rockler How-to