DAY 247:

Today’s Challenge

Can you complete this MATHELONA task by making the three lines work out arithmetically when inserting the 12 gaps below with the following 12 digits?

0      1      2      2      3      3      4      5      6      7      8      9

◯  +  ◯   =     3     =   ◯  –  ◯
◯  +  ◯   =    10    =   ◯  ×  ◯
◯  +  ◯   =     9     =   ◯  ÷  ◯

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 1st & 4th rows of the playing board contain the following fourteen numbers:

2    3    9    10    14    15    22    32    35    40    44    54    60    72

Which pair of numbers have a difference of 9?

Make 247 Challenge

Can you arrive at 247 by inserting 3, 4, 5, 6 and 7 into the gaps below?

(◯+◯)×◯×◯–◯ = 247

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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