See below for the answers to Monday’s puzzle. Click here for the original puzzle.

## A Mathematician at Play Puzzle #4

Check back Friday for the answers to today’s puzzle.

## A Mathematician at Play Answers to Puzzle #3

See below for answers to Monday’s puzzle. Click here for the original puzzle.

## A Mathematician at Play Puzzle #3

Enjoy this week’s puzzles! Check back Friday for the answers.

## A Mathematician at Play Answers to Puzzle #2

The answers to Monday’s puzzle are below. Click here to see the original puzzle.

## A Mathematician at Play Puzzle #2

Here’s this week’s puzzle! Check back Friday for the answers.

## A Mathematician at Play: Answers to Puzzle #1

The answers to Monday’s puzzle are below. Click here to see the original puzzles.

## A Mathematician at Play Puzzle #1

I’ve been collaborating with the English-language newspaper in India called The Hindu for the past few months, producing puzzles for a column called A Mathematician at Play. It’s a great collaboration. I produce the puzzles, and they make them look beautiful. I’m going to start sharing these puzzles on the Math for Love blog. Some of these puzzles are classics, …

## Teachers Making Teachers Better

I’ve just witnessed one of the best back-and-forths ever on Twitter, and I had to share it. It’s a phenomenal example of the pileup that allows great teachers to push each other and discover more was possible in their lesson ideas and plans than they had thought. This is why you should join the Math Twitter Blog o Sphere (#MTBoS, …

## Overcoming Confirmation Bias with the 2, 4, 6 Puzzle

The promise of mathematics is that it will teach students to think. Sadly, there’s been no solid evidence that math class actually succeeds, statistically speaking, in achieving this end. A pessimist would conclude it’s a hopeless project. But far more likely is that math classes, statistically speaking, haven’t been spending much time doing tasks that lead students to think, or …