### daily number puzzles posted in the previous 12 months: 2017/18

# Monthly Archives: October 2017

## DAY 295:

Today’s Challenge . . . is from Volume 1 of our MATHELONA pocket book. You have a limited amount of numbers to work with, so can you make all three lines work out arithmetically by replacing the 12 ◯’s with these numbers? … Continue reading

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## DAY 294:

Today’s Challenge This is a Banana & Clock Puzzle which I recently came across on twitter. It caused quite a stir and promoted lots of discussion. What do you think the answer on the final line is? The 7puzzle Challenge The playing … Continue reading

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## DAY 293:

Today’s Challenge Here is a FlagMath-style puzzle derived from our series of card games, all of which are available to purchase from this website. Each of the eleven letters, A-K, in the two sections below contains a percentage calculation. Which is … Continue reading

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## DAY 292:

Today’s Challenge Following on from DAY 240, here’s another one of the unique Keith Number challenges made famous by Mike Keith and similar to Fibonacci numbers. If you like playing around with numbers, you’ll love having a go at this … Continue reading

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## DAY 291:

Today’s Challenge Read the following facts to work out my identity: I am a 2-digit number my two digits have a difference of four add 13 to me and I become a square number Who am I? The 7puzzle Challenge The … Continue reading

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## DAY 290:

Today’s 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, … Continue reading

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## DAY 289:

Today’s Challenge What is the biggest number you can make when using these four digits once each 1 2 3 4 and following these rules: you can use … Continue reading

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## DAY 288:

Today’s Challenge Try and arrive at the target answer of 7 by using each of the numbers 0.2, 0.2, 5 and 6 exactly once each, and with + – × ÷ available. The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid of 49 … Continue reading

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## DAY 287:

Today’s Challenge When allocating each letter of the English alphabet a numerical value as follows, A=1 B=2 C=3 . . . Z=26, calculate your answer when adding up the values of the individual letters in: MATHEMATICALLY POSSIBLE Take a browse … Continue reading

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## DAY 286:

Today’s Challenge This type of calculation is carried out when playing our popular board game, Mathematically Possible. Click the link for full details. Using 1, 3 and 5 once each and with + – × ÷ available, which 13 target numbers from 1-30 are mathematically … Continue reading

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