Keeping with our problem solving short Wednesdays, we did math station puzzle rotation today. Certain students really dislike when I assign one problem that takes the whole 40 minute block, so I thought I’d give out a few shorter activities today. 341 more words

## Tags » Logic Puzzles

#### May Puzzles

** MAY 2015 SKEPTICAL CROSSWORD PUZZLE **has

**General Skepticism**as its theme and comes with a choice of standard or cryptic clues.

Here’s a set of… 62 more words

#### Solution to Puzzle #99: World’s Most Famous Puzzle Currently

This was a relatively simple puzzle and I received many correct solutions to this puzzle. Ritesh, one of my colleagues, was the first one to respond in literally 30 seconds. 239 more words

#### Puzzle #99: World's Most Famous Puzzle Currently!

I am simply amazed how one single puzzle has proliferated across the social media in the last 10 days – the puzzle from Singapore, popularized by Alex Bellos’ blog in The Guardian. 181 more words

#### Solution to Puzzle #98: How Many Days to be Disease Free

Thanks again to Pallav for the puzzle – as I mentioned earlier, one of my favorites and a wonderful concept of mathematical induction to be taught to children. 156 more words

#### Cherylmania

Many of you have undoubtedly heard by now the math puzzle about Cheryl’s birthday which has been sweeping across the internet. I appeared on CNN on Wednesday to explain the solution — … 3,138 more words

#### Puzzle #98: How Many Days to be Disease Free

Thanks to Pallav for yet another very interesting, and in this case, a classic puzzle. My 11th grade chemistry teacher, Mr. Gopinath, had given it to me, and I love this puzzle. 149 more words