| POLYGONS | Squares and such |
| GRID | An array of black squares and "lights" forming a crossword; or, a set of regular horizontal and vertical lines marked by numbers and letters to identify locations on a map (4) |
| POIROT | Detective who likes order, method and a petit dejeuner of toast cut into neat little squares and eggs of identical size - he has an egg-shaped head, a brilliantly waxed moustache and is the brainchild |
| TOWNS | Typically smaller than cities and larger than villages, urban areas traditionally with central market squares and crosses (5) |
| INFERNO | Poem with nine circles of hell spelled clockwise in the gray circled squares and counterclockwise in the white circled squares |
| BOBMONKHOUSE | Comedian and host of Celebrity Squares and Family Fortunes (3,9) |
| NOS | Squares and cubes, e.g.: Abbr. |
| SHAPES | Squares and rhomboids, e.g. |
| RECONCILES | Squares and circles one misconstrued (10) |
| ISOGONS | Squares and equilateral triangles |
| MATH | Course with squares and cubes |
| NULLSET | Intersection of perfect squares and prime numbers |
| TESSELLATES | Forms into small squares and arranges in a chequered pattern |
| SETTS | Underground homesteads of badgers; distinctive patterns of repeated squares and lines that define tartans; or, cobble-like paving blocks but with six sides (5) |
| RILEY | Bridget -; op artist whose blackand-white abstract paintings include Movement in Squares and Fall (5) |
| AFRAMEBUILDINGS | Structures illustrated twice in this puzzle through both black squares and letters |
| THIRTY | Sum of first four squares and product of first three primes (6) |
| EVENPAR | What golfers with equal numbers of squares and circles on their scorecards shoot |
| DIE | One of six objects hidden in this puzzle's 5×5 sections of white squares (and where you need to find the letters matching the value shown there) |
| REMEMBERYOURROOTS | Tip from a math teacher about working with squares and cubes? |
