DAY 325:

The Main Challenge

Your task is to arrive at the target number of 22 by adding together five numbers. You are limited to using 1-5, but these can be used any number of times.

Can you find the THREE ways of making 22?

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 2nd & 4th columns contain the following fourteen numbers:

2   3   6   10   16   20   33   42   45   48   63   70   72   77

Can you find three groups of THREE different numbers that each have a sum of exactly 100?

The Factors Challenge

Which of the following numbers are factors of 325?

5     15     25     35     45     55     65     75

The Mathematically Possible Challenge

Using 56 and 12 once each, with + – × ÷ available, which are the only TWO numbers it is possible to make from the list below?

7    14    21    28    35    42    49    56    63    70

#7TimesTable

The Target Challenge

Can you arrive at 325 by inserting 1, 2, 3, 4 and 5 into the gaps on both lines below?

  •  (◯×◯+◯)×(◯+◯)² = 325
  •  (◯³+◯)×◯×(◯–◯) = 325

Answers can be found here.

Click Paul Godding for details of online maths tuition.

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

Leave a Reply

Your email address will not be published.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