
Why the Order of Operations Matters: Teaching Function Composition With a Puzzle
Add 2 then multiply by 3, or the other way round? Small worked examples for teaching children composition, inverse operations and working backwards.
StudyX
The development log of StudyX: app updates, how-to guides, and notes from building mobile software for intelligence.

Add 2 then multiply by 3, or the other way round? Small worked examples for teaching children composition, inverse operations and working backwards.

A plain guide to tsume shogi for beginners: the rules that surprise newcomers, how to read a mate in 3 before you move, and when to move on to 5 and 7.

Thirty short Japanese classics on Aozora Bunko, roughly ordered from easiest to hardest, with notes for learners on length, furigana and old kana spelling.

Thirty short, plainly written classics for English learners, all free on Project Gutenberg, with an honest note on what each book is and how hard it reads.

Who gets something out of Math Gates: children around 8 meeting order and inverses, older children meeting negatives and roots, children who dislike worksheets, parents, and adults who like a quiet puzzle.

Ideas that make Math Gates more rewarding: start from the gap, read the line before Run, go back for three stars later, reread the Codex, and set up hints and ads for a child.

New to Math Gates? Read the board, place your first gate, watch the preview line, press Run, and learn what the stars, the discovery cards and the Hint button actually do.

Who AlphaGeorge suits: learners with a Cambridge exam in view, people unsure of their level, commuters, Japanese speakers, and what it does not do.

Who KanjiN suits, from school children and parents to Kanken candidates at levels 10 to 5 and JLPT learners up to N3, and who should look elsewhere.

New to AlphaGeorge? Take the five-minute diagnostic test, open your first unit, try the daily warm-up, and see how hearts, plans and level tests work.