The diagram below is made of smaller, identical pieces. Tell how many pieces you would shade to model the given percent. You would need to shade? in order to model the given percentage.

You would need to shade 1.5 boxes or 6 pieces to have shaded 25% of the shape.

In total, there are 6 boxes. There are 4 pieces per box. In total, there are 24 pieces.

6/4 = 1.5
24/4 = 6

You would need to shade 1.5 boxes, which is equal to 6 pieces or triangles.