DAY 95:

Today’s Challenge

Can you place the numbers 0, 1, 1, 2, 2, 3, 3, 4, 6, 6, 7 and 7 into the 12 gaps below so that all three lines work out arithmetically?

◯  +  ◯   =    2    =   ◯  –  ◯
◯  +  ◯   =    9    =   ◯  ×  ◯
◯  +  ◯   =    7    =   ◯  ÷  ◯

Click MATHELONA for details of the above number puzzle if you want to try more!

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 6th & 7th rows of the playing board contain the following fourteen numbers:

4   5   11   12   18   20   24   27   30   33   49   56   70   77

What is the sum of the factors of 60 in this list?

Make 95 Challenge

Can you arrive at 95 by inserting 2, 3, 4 and 5 into the gaps on each line?

  •  (◯³+²+◯)×◯ = 95
  •  ◯²×–(◯+◯) = 95
  •  +◯×(◯+◯) = 95

Answers can be found here.

Click Paul Godding for details of online maths tuition. Wherever you are in the world, please get in touch.

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