DAY 120:

Today’s Challenge

Your task is to make the target number of 10 by adding together five numbers. You are limited to using 1 to 5, but these can be used any number of times in each sum.

One way to make 10 is 5+2+1+1+1 (or 52111); can you find the other FIVE ways?

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

What is the sum of the multiples of 6?

Make 120 Challenge

Can you arrive at 120 by inserting 3, 4, 5 and 6 into the gaps on each line?

  •  (◯+√◯)×◯×◯ = 120
  •  (◯×◯)²×◯÷◯ = 120
  •  double(◯+◯)²×◯÷◯ = 120

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Your email address will not be published.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 *