DAY 302:

The Main Challenge

Using 2, 4 and 7 once each, with + – × ÷ available, list the ELEVEN different even-numbered target numbers that are mathematically possible to make from 2-60.

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 6th & 7th rows contain the following fourteen numbers:

4   5   11   12   18   20   24   27   30   33   49   56   70   77

List a set of four different numbers, all multiples of 3, that have a sum of 99.

Can you then also find a 2nd set of four multiples of 3 that also make 99?

The Factors Challenge

Which of the following numbers are factors of 302?

4     6     8     10     12     14     16     18    None of them

The Mathematically Possible Challenge

Using 38 and 10 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?

9    18    27    36    45    54    63    72    81    90

#9TimesTable

The Target Challenge

Can you arrive at 302 by inserting 1, 2, 3, 4 and 5 into the gaps below?

  •  (◯–◯³)÷(◯×◯–◯) = 302

Answers can be found here.

Click Paul Godding for details of online maths tuition.

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