# DAY/DYDD/GIORNO/NAP 356: The Main Challenge

Using the numbers 1, 4 and 10 once each, with + – × ÷ available, can you find the EIGHT whole numbers from 1-30 it is mathematically possible to make? 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 & 5th columns contain the following fourteen numbers:

2   8   10   11   14   16   18   25   33   44   45   48   70   84

How many more even numbers than odd numbers are listed? The Factors Challenge

Which of the numbers below are factors of 356?

4    6    8    10    12    14    16    None of them The Mathematically Possible Challenge

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

4    8    12    16    20    24    28    32    36    40

#4TimesTable The Target Challenge

Can you arrive at 356 by inserting 1, 2, 3, 4 and 5 into the gaps on each line below?

•  (◯+◯)³+◯×◯+◯ = 356
•  (◯+◯³)×(◯+√(◯+◯)) = 356   