DAY 252:

Today’s Challenge

Can you complete this task so the three lines work out arithmetically when inserting the digits 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 8 and 9 into the 12 gaps below?

◯  +  ◯   =     7     =   ◯  –  ◯
◯  +  ◯   =    12    =   ◯  ×  ◯
◯  +  ◯   =     4     =   ◯  ÷  ◯

Further details of our pocket book of challenges can be found by clicking MATHELONA.

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 2nd & 6th rows of the playing board contain the following fourteen numbers:

5    8    12    17    18    20    28    33    48    49    55    56    63    64

How many pairs of consecutive numbers are listed?

Make 252 Challenge

Can you arrive at 252 by inserting 3, 5, 7, 9 and 11 into the gaps below?

[(◯+◯)÷◯]×◯×◯² = 252

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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