DAY 229:

Today’s Challenge

There are five different 24game challenges below.

For each group of four numbers, your task is to arrive at the target answer of 24 by using each of the four digits exactly once, with + – × ÷ available:

  •   1    2    3    4
  •   2    3    4    5
  •   3    4    5    6
  •   4    5    6    7
  •   5    6    7    8

All five challenges are possible, can you do it? Have a go!

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

2    4    9    11    14    15    22    24    27    30    40    70    72    77

What is the total when adding together all the odd numbers?

Make 229 Challenge

Can you arrive at 229 by inserting 2, 3, 4, 5 and 7 into the gaps below?

◯²×◯+◯²×◯+◯ = 229

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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