Category Archives: 7puzzleblog.com

DAY 290:

The Main 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 … Continue reading

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DAY 289:

The Main Challenge What is the biggest number you can make when using the four digits 1 2 3 4 and following these rules: you can use brackets and + – × ÷ as often as you like, you cannot use any number more than … Continue reading

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WELCOME

A warm Welsh ‘Croeso’ to 7puzzleblog.com and our compendium of daily number puzzles. Five challenges are posted each day, 7 days a week, designed for our many followers from nearly 170 countries & territories throughout the world. As well as our ever-expanding website of … Continue reading

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DAY 288:

The Main 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, 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:

The Main 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 of: MATHEMATICALLY POSSIBLE Take a … Continue reading

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DAY 286:

The Main Challenge Using 1, 3 and 5 once each and with + – × ÷ available, which 13 target numbers from 1-30 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, ranging from 2 up … Continue reading

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DAY 285:

The Main Challenge In our FlagMath series of maths card games, players try to find eleven different pairs of answers quicker than their opponents. In our blog question below, you only have to find one pair. The two sections both contain nine letters, … Continue reading

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DAY 284:

The Main Challenge Another Mathelona challenge with a difference; no addition calculations at all. Your task is to make all four lines work out arithmetically by filling the 16 gaps with digits from 0 to 9.  Each digit can only be inserted a … Continue reading

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DAY 283:

The Main Challenge . . . is Mathelona with a difference, not an addition in sight! But can you still make all four lines work out arithmetically by filling the 16 gaps with digits from 0 to 9?  Remember, each digit can only … Continue reading

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DAY 282:

The Main Challenge Here’s another Mathelona challenge based on my popular number puzzles. Can you make all four lines work out arithmetically by filling the 16 gaps with digits from 0 to 9?  But, each digit can only be inserted a maximum … Continue reading

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