DAY 265:

Today’s 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?

Make 265 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 math tuition. Wherever you are in the world, please get in touch.

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