| Cut rectangles using pinking shears to reduce raveling with repeated washings. |
| The students were also not aware of relationships among quadrilaterals, such as whether all squares are rectangles or vice versa. |
| Working together, we used a red crayon to divide the upper right rectangle into eight smaller rectangles. |
| It is an absurdist drama played out against an almost constructivist background of red, white and blue rectangles. |
| In the remaining works, the interplay of rectangles and squares is more elaborate. |
| Ohlson varies his regular structure by making two rectangles within each of four vertical quadrants. |
