# day/dydd 265 at 7puzzleblog.com

The Main Challenge

… is a typical challenge from the excellent American maths card game, 24game®.

Using the four numbers 2, 4, 4 and 9 once each, with + – × ÷ available, can you arrive at the target number of 24?

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 & 5th rows contain the following fourteen numbers:

2   6   7   9   14   15   16   21   22   40   50   72   81   84

Which two numbers, when 16 is added to them, each become a square number?

The Factors Challenge

Which of the following numbers are factors of 265?

3      5      7      9      11      13      15

The Mathematically Possible Challenge

Using 37 and once each, with + – × ÷ available, which THREE numbers are NOT possible to make from the list below?

6    12    18    24    30    36    42    48    54    60

#6TimesTable

The Target Challenge

Can you arrive at 265 by inserting 2, 4, 7, 8 and 10 into the gaps below?

•  (◯²+◯–◯)×(◯÷◯) = 265

Answers can be found here.

Click Paul Godding for details of online maths tuition.

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

This site uses Akismet to reduce spam. Learn how your comment data is processed.