DAY 11:

Today’s Challenge

Today’s task is to arrive at the target number of 7 by using the four numbers 7, 7, 7 and 7 once each.  All four arithmetic operations + – × ÷ are available.  Can you make it?

The 7puzzle Challenge

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

The 5th & 6th rows of the playing board contain the following fourteen numbers:

5   6   7   12   16   18   20   21   33   49   50   56   81   84

From this list, what is the sum of the square numbers?

Make 11 Challenge

Can you arrive at 11 by inserting 2, 3, 4 and 5 into the gaps on each line?

  •  ◯×◯+◯–◯ = 11
  •  ◯÷◯×◯+◯ = 11
  •  ◯²[◯×(◯+◯)] = 11

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Your email address will not be published.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 *