DAY 213:

Today’s Challenge

This Kakuro challenge is ideal for any beginners to this fantastic puzzle. Your number skills will improve the more of these you attempt. The rules are very simple:

  • Just like a crossword, fill in the boxes
  • Each box must contain a number from 1-9 and each run of boxes must add up to the total shown on the left or above
  • Digits cannot be repeated in each run, so if a total of 4 is to be completed in 2 boxes, they must be made up of either 3+1 or 1+3, but not 2+2

Here is a Kakuro puzzle to try today:

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

2    8    9    14    15    17    22    28    40    48    55    63    64    72

What is the difference between the highest and lowest square numbers?

Make 213 Challenge

Can you arrive at 213 by inserting 3, 4, 5 and 15 into the gaps below?

(◯×◯–◯)×◯ = 213

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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