Comments on: Brain Game: Math Square #2

By: Kelly

Kelly — Thu, 29 Oct 2009 19:10:03 +0000

As a math dunderhead, I usually prefer word puzzles. But these are just perfect for me – easily solvable, but requiring a little bit of calculation. Good job!

By: Lugh

Lugh — Thu, 29 Oct 2009 16:33:04 +0000

Er, BJ, in what way do you consider yours a viable solution? First, 24 is not a legal number. Second, several of your rows and columns do not, in fact, total up to the right numbers.

By: Ian from Baltimore

Ian from Baltimore — Thu, 29 Oct 2009 15:09:01 +0000

love these! this one was a bit easier than the last, but still fun

By: Sandy Wood

Sandy Wood — Thu, 29 Oct 2009 14:10:54 +0000

Thanks for the kind comments, everyone. Looks like we’ll have to make this a once-a-week addition to the expanding mix of puzzles.

By: Sandy Wood

Sandy Wood — Thu, 29 Oct 2009 14:05:33 +0000

Rita, you’re correct – each digit from 1 to 9 can only appear once in the middle part of the puzzle. I’ll revisit the instructions to see if there’s a way to make that clearer.

UPDATE: I added an extra line in the instructions to ensure readers know that each digit 1 through 9 appears only once in the main grid. Thanks for the suggestion!

By: jj

jj — Thu, 29 Oct 2009 13:55:40 +0000

I don’t think BJ’s solution works. The middle column down would be: 4+7-7=3

By: Thomas

Thomas — Thu, 29 Oct 2009 13:53:35 +0000

BJ, your response isn’t right even with your numbers. your middle column down reads 4+7-7=3.

By: jj

jj — Thu, 29 Oct 2009 13:52:50 +0000

I don’t think BJ’s works. The middle column down would be 4+7-7=3.

By: Nora

Nora — Thu, 29 Oct 2009 13:47:30 +0000

More, please!

By: Rita

Rita — Thu, 29 Oct 2009 13:29:39 +0000

In response to BJ’s alternative solution, are you allowed to have multiples of numbers? I was under the impression that you could only have one of each number between 1 and 9, but the directions aren’t completely clear on that.