by Creouts Publishing © 2026
Price: $3 USD
Subjects: math,socialstudies,geography,computerscience,science,earthAndSpaceScience,cognitionProblemSolving
Grades: 3,4,5
Finale of the Early Finishers and Sub Plans growing bundle, Gr 3-5: mixes all 6 subjects. Every puzzle mixes TWO skills: logic grids, continents and oceans, coding loops, addition pyramids, the planets in order, and Caesar codes. All new puzzles. Story: the Treehouse Puzzle Club meets after class. 4 trapdoor hatches open with puzzles; Juni the kinkajou helps open the roof lookout box. 4 rooms, 30 cards. HOW IT WORKS - Room 1, Map Hatch: decode a continent or ocean, a loop program over map dots, a continent logic grid. - Room 2, Star Hatch: decode a planet, rocket loop programs, a planet logic grid, a planet-number pyramid. - Room 3, Code Hatch: loops that make shift codes, who wrote which program, a loop that fills a pyramid, a REPEAT count along the equator. - Room 4, Brain Hatch: logic clues about pyramids, a grid with a coded clue, coded number words in a pyramid. SELF-CHECKING WITH HINTS 10 typed, 5 tile and 4 tap answers plus the lock. Learn card per room, two hints per puzzle, answer cards explain why. ACCURACY Software re-reads every map, program, pyramid and clue from the drawing and recomputes every answer. Not tested with a class. SOURCES Planets: NASA Solar System Exploration. Continents and oceans: National Geographic Education; map: Natural Earth. No copied text. HOW IT WAS MADE Text written with AI help and checked. Pictures drawn in code. Needs internet. For learning only. All characters and story places are made up.
Text fonts: Atkinson Hyperlegible, (c) Braille Institute of America, SIL Open Font License 1.1; Fredoka, (c) The Fredoka Project Authors, SIL Open Font License 1.1.