All Lesson Plans

Puzzle of the Day

Use the 8 pieces to cover up everything except the current month and current day. For example, below is a solution for October 6:

Polypad Game Boards

Original Game Board

A Puzzle a Day - Polypad - Mathigon
Virtual manipulatives, dynamic geometry, graph plotting, data science and more: explore the ultimate mathematical playground!

At this Polypad below, use the spinners to create a random day to use for the puzzle. Spin again if you land on an impossible date (May 37th for example).

A Puzzle a Day - Polypad - Mathigon
Virtual Manipulatives for Mathematics Classrooms: polygons, number and algebra tiles, fraction bars, tangram, pentominoes, and more.

Physical Puzzle

Purchase a physical version of the puzzle from DragonFjord. Dragon Fjord Puzzles and Games holds an internationally design patent (EUIPO: 007690433; WIPO: DM/215118) for the Puzzle a Day. The Mathigon version is made with their permission.