| 1146 | All Square | Renamed 'Coloured Edges' | A geometric problem | ||
| 670 | All square | Left | An algebraic problem | ||
| 2093 | Archimedes and numerical roots | Removed from search | Almost identical to 855 | Looks less up to date than 855 | Needs deleting? |
| 855 | Archimedes and numerical roots | Left | Almost identical to 2093 | Links to previous problem rather than referring to 'May problem' | |
| 1477 | Arclets | Renamed 'Arclets Explained' | Article about problem 866 | ||
| 866 | Arclets | Left | Problem | ||
| 2709 | Contact | Renamed 'Contact Us' | Page of contact details | ||
| 323 | Contact | Left | Problem | ||
| 2292 | Coordinate Patterns | Left | Problem | ||
| 6982 | Coordinate patterns | Renamed 'Coordinate Teamwork' | Teamwork problem | ||
| 6384 | Dodgy proofs | Left | Overlaps considerably with 6686 | Seems better structured than 6686 | |
| 6686 | Dodgy proofs | Removed from search | Overlaps considerably with 6384 | Only material not in 6686 is Q3-5 | Transfer Q3-5 to 6686 then delete? |
| 523 | Face Painting | Left | Problem | ||
| 5811 | Face Painting | Renamed 'Painted Faces' | Problem | ||
| 7959 | Featured Content | Renamed 'Stage 5 Featured Content' | List | This page is a strict superset of 8155 | Removed 8155 from search - needs deleting? |
| 7967 | Featured Content | Renamed 'Stage 3&4 Featured Content' | List | ||
| 8045 | First Forward into Logo | Left | List | ||
| 7963 | First Forward Into Logo | Removed from search | EmbedItem | This is a strict subset of 8045 | Needs deleting? |
| 1552 | Friezes | Renamed 'Friezes Using Logo' | Problem | ||
| 1551 | Friezes | Left | Article | ||
| 8181 | How many sheep? | Unpublished | Problem | ||
| 8182 | How many sheep? | Unpublished | Problem | Also 8183 is not published | |
| 8184 | How many sheep? | Unpublished | Problem | ||
| 8185 | How many sheep? | Unpublished | Problem | ||
| 8186 | How many sheep? | Unpublished | Problem | ||
| 8187 | How many sheep? | Unpublished | Problem | ||
| 8188 | How many sheep? | Unpublished | Problem | ||
| 8189 | How many sheep? | Unpublished | Problem | Also unpublished 8190 | |
| 8179 | How many sheep? | Unpublished | List | Also unpublished 8180 | |
| 8182 | How many sheep? | See above | |||
| 8184 | How many sheep? | See above | |||
| 8185 | How many sheep? | See above | |||
| 8186 | How many sheep? | See above | |||
| 8187 | How many sheep? | See above | |||
| 8188 | How many sheep? | See above | |||
| 8189 | How many sheep? | See above | |||
| 8179 | How many sheep? | See above | |||
| 8181 | How many sheep? | See above | |||
| 8184 | How many sheep? | See above | |||
| 8185 | How many sheep? | See above | |||
| 8186 | How many sheep? | See above | |||
| 8187 | How many sheep? | See above | |||
| 8188 | How many sheep? | See above | |||
| 8189 | How many sheep? | See above | |||
| 8179 | How many sheep? | See above | |||
| 8181 | How many sheep? | See above | |||
| 8182 | How many sheep? | See above | |||
| 8185 | How many sheep? | See above | |||
| 8186 | How many sheep? | See above | |||
| 8187 | How many sheep? | See above | |||
| 8188 | How many sheep? | See above | |||
| 8189 | How many sheep? | See above | |||
| 8179 | How many sheep? | See above | |||
| 8181 | How many sheep? | See above | |||
| 8182 | How many sheep? | See above | |||
| 8184 | How many sheep? | See above | |||
| 8186 | How many sheep? | See above | |||
| 8187 | How many sheep? | See above | |||
| 8188 | How many sheep? | See above | |||
| 8189 | How many sheep? | See above | |||
| 8179 | How many sheep? | See above | |||
| 8181 | How many sheep? | See above | |||
| 8182 | How many sheep? | See above | |||
| 8184 | How many sheep? | See above | |||
| 8185 | How many sheep? | See above | |||
| 8187 | How many sheep? | See above | |||
| 8188 | How many sheep? | See above | |||
| 8189 | How many sheep? | See above | |||
| 8179 | How many sheep? | See above | |||
| 8181 | How many sheep? | See above | |||
| 8182 | How many sheep? | See above | |||
| 8184 | How many sheep? | See above | |||
| 8185 | How many sheep? | See above | |||
| 8186 | How many sheep? | See above | |||
| 8188 | How many sheep? | See above | |||
| 8189 | How many sheep? | See above | |||
| 8179 | How many sheep? | See above | |||
| 8181 | How many sheep? | See above | |||
| 8182 | How many sheep? | See above | |||
| 8184 | How many sheep? | See above | |||
| 8185 | How many sheep? | See above | |||
| 8186 | How many sheep? | See above | |||
| 8187 | How many sheep? | See above | |||
| 8189 | How many sheep? | See above | |||
| 8179 | How many sheep? | See above | |||
| 8181 | How many sheep? | See above | |||
| 8182 | How many sheep? | See above | |||
| 8184 | How many sheep? | See above | |||
| 8185 | How many sheep? | See above | |||
| 8186 | How many sheep? | See above | |||
| 8187 | How many sheep? | See above | |||
| 8188 | How many sheep? | See above | |||
| 334 | How Many? | Renamed 'How Many Solutions?' | Problem | ||
| 6927 | How Many? | Left | Project | ||
| 1401 | Incircles | Renamed 'Incircles Explained' | Article | Follows on from problem 302 | |
| 302 | Incircles | Left | Problem | ||
| 1228 | Instant Insanity | Removed from search | Problem | Identical in content to 443 | Needs deleting? |
| 443 | Instant Insanity | Left | Problem | Better explained version of 1228 | |
| 7955 | January Home Page | Not in search | List | ||
| 7920 | January Home Page | Not in search | List | ||
| 7956 | January Home Page | Removed from search | List | ||
| 7920 | January Home Page | Not in search | List | ||
| 7956 | January Home Page | Not in search | List | ||
| 7955 | January Home Page | Not in search | List | ||
| 7545 | June Front Page | Not in search | Problem | ||
| 6130 | June Front Page | Not in search | General | ||
| 5443 | Lattice Points | Left | Problem | ||
| 535 | Lattice points | Renamed 'Hypotenuse Lattice Points' | Problem | ||
| 762 | Look before you leap | Left | Problem | ||
| 416 | Look before you leap | Left | Problem | Don't know why it has this name | Needs renaming, but don't know what to...? |
| 2364 | Lost in Space | Left | Problem | ||
| 896 | Lost in Space | Renamed 'Playground Snapshot' | Problem | ||
| 1337 | Magic Squares | Left | Article | ||
| 87 | Magic Squares | Renamed 'Magic Constants' | Problem | ||
| 1224 | Noughts and Crosses | Left | Game | Doesn't load | Needs fixing? |
| 5513 | Noughts and crosses | Removed from search | Problem | Same as marbles in a box (895) | Needs deleting? |
| 2280 | Odd Squares | Left | Problem | ||
| 541 | Odd Squares | Renamed 'Odd Differences' | Problem | ||
| 1956 | Origami | Renames 'Origami Shapes' | Problem | ||
| 5346 | Origami | Left | Article | ||
| 8580 | Prepare for university - header | Removed from search | EmbedItem | Empty | Needs deleting? |
| 7970 | Prepare for University - Header | Left | EmbedItem | Not in search | |
| 6225 | Quadruple Clue Sudoku | Renamed 'Another Quadruple Clue Sudoku' | General | Better formatted than 6113 | |
| 6113 | Quadruple Clue Sudoku | Left | Problem | Variation on 6225 | |
| 5641 | Roadshow | Left | Not sure what this is for... | ||
| 5641 | Roadshow | See above | |||
| 6776 | Roadshow | Removed from search | Identical to 6846, but worse formatting | Needs deleting? | |
| 6846 | Roadshow | Left | Similar to 5641, might have the same content... | Might need deleting if same as 5641? | |
| 6846 | Roadshow | See above | |||
| 6776 | Roadshow | See above | |||
| 1443 | Round-Robin Scheduling | Renamed 'Tournament Scheduling' | Article | Actually more general than just round-robin | |
| 7372 | Round-robin scheduling | Left | Problem | Links to 1443 | |
| 2159 | Roundabout | Renamed 'Rolling Around' | Problem | ||
| 1201 | Roundabout | Left | Game | ||
| 1206 | Shunting Puzzle | Renamed 'Sliding Game' | Game | ||
| 955 | Shunting Puzzle | Left | Problem | ||
| 2413 | Sprouts | Renamed 'Sprouts Explained' | Article | ||
| 1208 | Sprouts | Left | Game | ||
| 1575 | Squares | Renamed 'Pretty Prism | Problem | ||
| 5545 | Squares | Left | Resource | ||
| 519 | Squares | Renamed 'Consecutive Squares' | Problem | ||
| 5545 | Squares | See above | |||
| 519 | Squares | See above | |||
| 1575 | Squares | See above | |||
| 5551 | Stage 4 Articles | Left | List | ||
| 6038 | Stage 4 Articles | Left (not in search) | List | This is a strict subset of 5551 | Needs deleting? |
| 5552 | Stage 5 Articles | Removed from search | List | This is a strict subset of 7310 | Needs deleting? |
| 7310 | Stage 5 articles | Left | List | ||
| 8199 | STEM clubs | Renamed 'STEM Club Projects' | List | ||
| 7747 | STEM clubs | Left | Project | ||
| 892 | Take a square | Left | Problem | ||
| 743 | Take a square | Renamed 'Folding Squares' | Problem | ||
| 21 | Tangrams | Renamed 'Tangram Paradox' | Problem | ||
| 1 | Tangrams | Left | Problem | ||
| 1325 | The Dodecahedron | Renamed 'The Dodecahedron Explained' | Article | ||
| 1929 | The Dodecahedron | Left | Problem | ||
| 7692 | The live Stage 3 & 4 problems | Removed from Search | List | Almost identical to 7583 | Needs deleting? |
| 7583 | The live Stage 3 & 4 problems | Left | List | ||
| 1242 | The Triangle Game | Left | Game | ||
| 8043 | The Triangle Game | Renamed 'Troublesome Triangles' | Project | ||
| 2108 | Threesomes | Left | Problem | ||
| 1841 | Threesomes | Removed from search | Problem | Slightly less nicely formatted version of 2108 | Needs deleting? |
| 5388 | Triangle Shapes | Renamed 'Tricky Triangles' | Problem | ||
| 5942 | Triangle Shapes | Left | Problem | ||
| 788 | Triangular Triples | Left | Problem | ||
| 490 | Triangular triples | Renamed 'Equilateral Areas' | Problem | ||
| 2642 | Turning Triangles | Renamed 'Posting Triangles' | Problem | ||
| 865 | Turning Triangles | Left | Problem | ||
| 6228 | Weekly Problem 2 - 2009 | Left | Weekly Problem | Different from 5709 | Needs renaming? |
| 5709 | Weekly Problem 2 - 2009 | Left | Weekly Problem | Different from 6228 | Needs renaming? |
| 2349 | Weekly Problem 2 - 2012 | Left | Weekly Problem | Identical to 7629 | |
| 7629 | Weekly Problem 2 - 2012 | Removed from search | Weekly Problem | Identical to 2349 | Needs deleting? |
| 7172 | Weekly Problem 21 - 2011 | Left | Weekly Problem | Now called 'Weekly Problem 37 - 2011' | |
| 7169 | Weekly Problem 21 - 2011 | Left | Weekly Problem | ||
| 2405 | Weekly Problem 3 - 2011 | Left | Weekly Problem | Different from 7150 | Needs renaming? |
| 7150 | Weekly Problem 3 - 2011 | Left | Weekly Problem | Different from 2405 | Needs renaming? |
| 2166 | Weekly Problem 36 - 2011 | Left | Weekly Problem | Identical to 7189 | |
| 7189 | Weekly Problem 36 - 2011 | Removed from search | Weekly Problem | Identical to 2166 | Needs deleting? |
| 6229 | Weekly Problem 4 - 2009 | Left | Weekly Problem | Different from 5711 | Needs renaming? |
| 5711 | Weekly Problem 4 - 2009 | Left | Weekly Problem | Different from 6229 | Needs renaming? |
| 2877 | Weekly Problem 43 - 2005 | Left | Weekly Problem | Different from 2876 | Needs renaming? |
| 2876 | Weekly Problem 43 - 2005 | Left | Weekly Problem | Different from 2877 | Needs renaming? |
| 6217 | Weekly Problem 49 - 2008 | Left | Weekly Problem | Different from 6216 | Needs renaming? |
| 6216 | Weekly Problem 49 - 2008 | Left | Weekly Problem | Different from 6217 | Needs renaming? |
| 6235 | Weekly Problem 5 - 2009 | Weekly Problem | Weekly Problem | Different from 5710 | No net shown - needs fixing, and renaming? |
| 5710 | Weekly Problem 5 - 2009 | Left | Weekly Problem | Different from 6235 | Needs renaming? |
| 5011 | Weekly Problem 7 - 2009 | Left | Weekly Problem | Different from 5750 and 6234 | Needs renaming? |
| 5011 | Weekly Problem 7 - 2009 | See above | |||
| 5750 | Weekly Problem 7 - 2009 | Left | Weekly Problem | Different from 5011 and 6234 | Needs renaming? |
| 6234 | Weekly Problem 7 - 2009 | Left | Weekly Problem | Different from 5011 and 5750 | Needs renaming? |
| 6234 | Weekly Problem 7 - 2009 | See above | |||
| 5750 | Weekly Problem 7 - 2009 | See above | |||
| 1817 | Which is quicker? | Left | Problem | Identical to 8355 | |
| 8355 | Which is quicker? | Removed from search | Problem | Identical to 1817 | Needs deleting? |
| 8131 | \\stemNRICH | Removed from search | List | Less well formatted and complete version of 7266 | Needs deleting? |
| 7266 | \\stemNRICH | Left | List | ||
| 8250 | \\stemNRICH picture of the month | Left | Problem | March | Needs renaming? |
| 8267 | \\stemNRICH picture of the month | Left | List | Identical to 8325 | Needs renaming? |
| 8325 | \\stemNRICH picture of the month | Removed from search | List | Identical to 8267 | Needs deleting? |
| 8133 | \\stemNRICH picture of the month | Left | Problem | February | Needs renaming? |
| 8267 | \\stemNRICH picture of the month | See above | |||
| 8325 | \\stemNRICH picture of the month | See above | |||
| 8133 | \\stemNRICH picture of the month | See above | |||
| 8250 | \\stemNRICH picture of the month | See above | |||
| 8325 | \\stemNRICH picture of the month | See above | |||
| 8133 | \\stemNRICH picture of the month | See above | |||
| 8250 | \\stemNRICH picture of the month | See above | |||
| 8267 | \\stemNRICH picture of the month | See above |