Category Archives: 7puzzleblog.com

DAY 178:

Today’s Challenge Can you arrive at the target answer of 7 by using each of the numbers 0.2, 0.5, 2 and 2.5 exactly once each, and with + – × ÷ available? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 … Continue reading

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WELCOME

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

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. . . AND THERE’S MORE!

As well as the thousands of number challenges we design and post on a daily basis, some of the other educational activities we are involved in are listed here: supporting students with one-to-one, face-to-face maths tuition locally, . . . and … Continue reading

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DAY 177:

Today’s Challenge If you enjoy this, click MATHELONA for further details of our number puzzles. You must make all three lines work out arithmetically by replacing the 12 ◯’s below with the digits 0, 0, 1, 1, 2, 3, 3, 4, 5, … Continue reading

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DAY 176:

Today’s Challenge Another Kakuro puzzle for anyone who is a beginner to this fantastic little teaser. I guarantee children will enjoy this and their number skills will improve the more puzzles they do. The rules are very simple: Just like a … Continue reading

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DAY 175:

Today’s Challenge Please try this in class if you’re a teacher as I guarantee you will see the children’s number skills grow the more puzzles they attempt. If you’re a puzzle enthusiast, I’m sure you’ll enjoy the challenge too! The … Continue reading

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DAY 174:

Today’s Challenge Read the facts below to try and work out which number I am today: I am a 2-digit number, I am a multiple of 7, The difference between my two digits is 4. The 7puzzle Challenge The playing board … Continue reading

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DAY 173:

Today’s Challenge When allocating each letter of the English alphabet a numerical value as follows; A=1 B=2 C=3 … Z=26, the value of the word SUM, for example, would be 19+21+13 = 53. What would be the value of my … Continue reading

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DAY 172:

Today’s Challenge You are playing our Mathematically Possible board game and have rolled the numbers 6,  6 and 6 with your three dice.  Using these once each, with + – × and ÷ available, which SIX target numbers from 1-30 is it mathematically possible to achieve? The 7puzzle … Continue reading

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DAY 171:

Today’s Challenge You have the same starting number and final answer, both 22.  There are 10 arithmetical steps altogether but the 10th, and final, step is missing.  If this final step involves a whole number, what should it be to arrive at 22? Start … Continue reading

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