# DAY/DYDD/GIORNO/NAP 359:

The Main Challenge

. . . involves number combinations and addition, both necessary to master if players are to successfully complete the fabulous Kakuro puzzle.

As well as 9+8+7+1 (or 9871), list the five other ways of making 25 when adding together FOUR unique digits from 1-9.

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 2nd column contains the following seven numbers:

2     10     16     33     45     48     70

Using these seven numbers exactly once each, with + – × ÷ available to use in your calculation, can you arrive at the target number of 100?

The Factors Challenge

Which of the numbers below are factors of 359?

3    5    7    9    11    13    15    17    19    None of them

The Mathematically Possible Challenge

Using 48 and 12 once each, with + – × ÷ available, which are the only TWO numbers it is possible to make from the list below?

7    14    21    28    35    42    49    56    63    70

#7TimesTable

The Target Challenge

Can you arrive at 359 by inserting 2, 4, 6, 8 and 10 into the gaps below?

•  (◯²×◯)–(◯×◯)÷◯ = 359

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