Creative Grids Multi-Size Triangle 45/90 Degree Ruler CGRMS4590 flying geese squares set on point or

squares set on point or mark cross-hatching

And Susan's sorting method

Although you could use any prints

Use the 45 degree side to cut half-square triangles from strips up to 5-1/2 inches wide

Creative Grids Multi-Size Triangle 45/90 Degree Ruler CGRMS4590 flying geese squares set on point orCreative Grids Multi Size Triangle 45 90 Degree Ruler This multi sized ruler features two triangles in one. Use the 45 degree side to cut half square triangles from strips up to 5 1 2 inches wide, creating half square triangles up to a finished size of 5 inches. Use the 90 degree side to cut quarter triangles that finish up to a 5 inch finished quarter square triangle. The math required to cut these angles is incorporated into the easy to read black