Monthly Archives: June 2017

DAY 182:

Today’s Challenge . . . is my fun & challenging number puzzle, MATHELONA. Can you replace the 12 ◯’s below with 0, 1, 1, 2, 3, 4, 5, 5, 6, 7, 9 and 9 so that all three lines work out … Continue reading

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DAY 181:

Today’s Challenge Your task is to find a way of arriving at the target number of 70 by using each of the five numbers 1, 2, 3, 4 and 5 once only, and with + – × ÷ available. The easy … Continue reading

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DAY 180:

Today’s Challenge This is a continuation of a number puzzle, posted on DAY 10, made famous by French writer George Perec. In that challenge, we asked you to use seven 7’s (7, 7, 7, 7, 7, 7 and 7) once … Continue reading

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DAY 179:

Today’s Challenge . . . is to arrive at the target answer of 24 by using each of the numbers 5, 8, 8 and 9 once each with + – × ÷ available. There are two very different ways of making 24, can you … Continue reading

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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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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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