DAY 73:

Today’s Challenge

As well as 9+4+1, there are SEVEN other ways of making 14 when adding together three unique digits from 1-9.  List these seven combinations.

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 1st & 6th rows contain the following fourteen numbers:

2   5   9   12   14   15   18   20   22   33   40   49   56   72

What is the sum of the multiples of 6?

Make 73 Challenge

Can you arrive at 73 by inserting 2, 5, 7 and 8 into the gaps on each line?

  •  ◯×◯×◯– = 73
  •  (◯+◯)×◯– = 73
  •  ◯²+×(◯–) = 73

Answers can be found here.

Click Paul Godding for details of online maths tuition. Wherever you are in the world, please get in touch.

This entry was posted in 7puzzleblog.com. Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *