Shikaku
Split the grid into rectangles — each number is how many small squares it covers.
About the Puzzle
Split the grid into rectangles — each number is how many small squares it covers.
21 Puzzles
Shikaku #01
Shikaku #02
Shikaku #03
Shikaku #04
Shikaku #05
Shikaku #06
Shikaku #07
Shikaku #08
Shikaku #09
Shikaku #10
Shikaku #11
Shikaku #12
Shikaku #13
Shikaku #14
Shikaku #15
Shikaku #16
Shikaku #17
Shikaku #18
Shikaku #19
Shikaku #20
Shikaku #21
Frequently asked questions
Shikaku is tagged for Grades 3-12 — puzzles within it get harder as your child improves.
21 Shikaku puzzles, each a fresh layout of the same rules.
No — Shikaku plays directly in the browser, right on this page. No login, no download.
Shikaku trains area-and-multiplication thinking — dividing a grid into rectangles of a given area.
No — every Shikaku puzzle is free to play, no sign-up needed.