Featured Puzzle: Fillomino #3
Fillomino is a popular Japanese puzzle. Divide the grid into polyomino regions that each contain a single number, ranging from 1-9.
Featured Puzzle: Fobidoshi #1 – Jelly Bean Challenge
Sure, most people are celebrating Earth Day today, but a fun lesser-known holiday is National Jelly Bean Day! (By the way, google “national jelly bean day” – I was pleasantly surprised when I did.) I couldn’t find any details on the origin, though. My guess is that It started as an internet meme excuse to gorge on leftover Easter candy.
Anyway, today’s puzzle is Fobidoshi, using jelly beans on a grid, of course! I’ve started you with a few.
Featured Puzzle: From 1 to X #1
Fill in the grid with numbers from 1 to X, where X is the size of the region. You can’t repeat digits within a region, or in orthogonally adjacent cells. Numbers outside the grid are the sum of digits in that row or column.
Featured Puzzle: From 1 to X #2 – Happy Math 2.0 Day
Created in 2009 by the Math 2.0 Interest Group, Math 2.0 Day celebrates the meeting of math and technology. Think of all the technological innovations you enjoy – at some point, a mathematician was involved to make it happen. So, to any student wondering where they’ll use math in the real world? Everywhere! Today’s puzzle is From 1 to X, a grid puzzle which involves some light math.
Featured Puzzle: Futoshiki #2
In Futoshiki, your goal is to fill the grid with numbers from 1-7, without repeating a digit in any row or column. Inequality symbols between cells always point to the smaller number.
Featured Puzzle: Futoshiki #3 – Old School Math Lesson
Back in my youth, one of the sillier worksheets we used to get in math class was the number comparison worksheet. the teacher used to explain the greater-than and less-than symbols as, “the alligator easts the larger number.” That got me thinking that it would be a fun way to theme a Futoshiki puzzle.
Featured Puzzle: Galaxies #2
It’s a starry night, and the sky is filled with galaxies. In this puzzle, divide the grid into irregular regions with a galaxy at the exact center.
Featured Puzzle: Gemini Sudoku #1
In Gemini Sudoku, you’re given a pair of Sudoku grids. The grid on the right works like a cipher for the grid on the left. Wherever a digit appears in the left grid, it maps to a specific digit in the same position in the right grid. For example 4 in the left grid might map to a 6 in the right grid. This means that for every 4 you discover on the left, you can place a 6 in the same position on the right.
Featured Puzzle: Gokigen #3
Do you love Gokigen puzzles? I love Gokigen puzzles! Um…love, cause it’s February, right? Yeah, that’s a stretch. Place slanted lines in every cell of the grid, using the clues to help you figure out the direction of each one.
Featured Puzzle: Gokigen #4
t’s been months since we’ve done a Gokigen puzzle. Let’s take a break from all the schoolwork puzzles to relax and draw some diagonal lines. Place slanted lines in every cell of the grid, using the clues to help you figure out the direction of each one.