Author Archives: 7puzzle

DAY 266:

Today’s Challenge The playing board of Even More Possible, the advanced arithmetic & strategy board game in our Possible Series, contains all 30 even numbers from 2 up to 60. Using the four numbers 2, 4, 7 and 8 once each (created by rolling … Continue reading

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WELCOME

A warm welcome to 7puzzleblog.com and our compendium of daily number puzzles which we design for our many followers from over 160 countries & territories. We are also the place to visit for a variety of different mathematical activities, including our exciting … Continue reading

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DAY 265:

Today’s Challenge . . . is a typical challenge from the excellent American maths card game, 24game. Using the four numbers 2, 4, 4 and 9 once each, with + – × ÷ available, can you arrive at the target number of 24? … Continue reading

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DAY 264:

Today’s Challenge Your task is to make the four lines below work out arithmetically. Simply replace the ◯’s with digits from 0 to 9, but each digit can only be inserted a maximum of twice. ◯  +  ◯   = … Continue reading

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DAY 263:

Today’s Challenge One of our popular MATHELONA challenges awaits you, can you complete this by making all four lines work out arithmetically?  Replace the 16 ◯’s with digits 0 to 9, but each digit can only be inserted a maximum of twice. … Continue reading

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DAY 262:

Today’s Challenge Read the following facts to work out my numerical value: I am a 3-digit number less than 200 I am a multiple of 11 add 4 to me and I become a multiple of 5 all my digits … Continue reading

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DAY 261:

Today’s Challenge Your task is to make all four lines below work out arithmetically by replacing the 16 ◯’s with digits from 0 to 9, but each digit can only be used a maximum of twice! Can you complete this MATHELONA challenge? … Continue reading

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DAY 260:

Today’s Challenge All of the following 3-digit numbers are divisible by 3, except one.  Which one? 102   111   117   126   132   139   144   153   162   168   174   180 The 7puzzle … Continue reading

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DAY 259:

Today’s Challenge Kakuro is a fabulous puzzle which can drastically improve everyone’s number combination skills. The rules are very simple: Just like a crossword, fill in the boxes, Each box must contain a number from 1-9 and each run of boxes … Continue reading

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DAY 258:

Today’s Challenge Our arithmetic and strategy board game, Mathematically Possible, uses three normal dice involving numbers from 1 to 6, but larger numbers can be introduced to the game simply by using special dice, just as in this challenge. Use the … Continue reading

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