| 4. | On the right is shown how 6 pentominoes can be put together to make a 5 by 6 rectangle. Use the other 6 pentominoes from the full set of 12, to make another 5 by 6 rectangle. |
 |
| 5. | Use the I, N, T, V, W, Y and Z pentominoes to make a 5 by 7 rectangle. Then use the other 5 pentominoes from the full set of 12, to make a 5 by 5 square. |