DAY 290:

The Main Challenge

When using the numbers 3, 3 and 4 once each, with – × ÷ available, list the TEN target numbers from 1-30 that are mathematically possible to make?

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 4th & 7th rows contain the following fourteen numbers:

3   4   10   11   24   27   30   32   35   44   54   60   70   77

Which two numbers listed are the product of two different pairs of numbers on the list?

The Factors Challenge

Which THREE prime numbers listed below are factors of 290?

2    3    5    7    11    13    17    19    23    29

The Mathematically Possible Challenge

Using 810 and 12 once each, with + – × ÷ available, which are the THREE numbers it is possible to make from the list below?

6    12    18    24    30    36    42    48    54    60

#6TimesTable

The Target Challenge

Can you arrive at 290 in two different ways when inserting 10, 30, 50, 70 and 90 into the gaps below?

  •  (◯×◯÷◯)+◯ = 290

Answers can be found here.

Click Paul Godding for details of online maths tuition.

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