DAY 274:

The Main Challenge

Your task is to arrive at the target answer of 7 by placing the numbers 1, 1.5, 2 and 3 into the gaps on each line:

  •  (◯×◯)+◯+◯ = 7
  •  (◯+◯–◯)×◯ = 7
  •  ◯÷(◯–◯)+◯ = 7

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 2nd & 7th rows contain the following fourteen numbers:

4   8   11   17   24   27   28   30   48   55   63   64   70   77

From the list, which five different numbers have a sum of 100?

The Factors Challenge

Which of the following numbers are factors of 274?

2     4     6     8     10     12     14     16

The Mathematically Possible Challenge

Using 37 and once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?

80    81    82    83    84    85    86    87    88    89

#NumbersIn80s

The Target Challenge

Can you arrive at 274 by inserting 2, 4, 4, 5 and 7 into the gaps below?

  •  (◯+◯+◯)²+(◯+◯)² = 274

Answers can be found here.

Click Paul Godding for details of online maths tuition.

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