Monthly Archives: November 2021

The Main Challenge This challenge has been taken from our series of Mathelona number puzzle pocket books. Can you complete this task so all three lines work out arithmetically when inserting the digits 0 0 1 1 1 2 3 4 … Continue reading →

The Main Challenge A number puzzle associated with our board game, Mathematically Possible, an excellent resource involving mental arithmetic and strategy. Further details can be found by clicking the link. Using the numbers 1, 3 and 6 once each, with … Continue reading →

The Main Challenge You have the same starting number and final answer, both 32, with lots of arithmetical steps in between, but the 10th step is missing! What should it be if it involves an integer? Start with the number … Continue reading →

The Main Challenge Our unique Mathematically Possible question asks you to consider three different combinations of numbers by using each number once each with + – × ÷ available:   2   6   10   3   7   … Continue reading →

The Main Challenge In this particular number puzzle, three UNIQUE digits from 1-9 must be used to arrive at a specified target number; today is 42. The formula is always the same; multiply two numbers together, then either add or subtract … Continue reading →

The Main Challenge Apart from 8+3+2+1, list the FOUR other ways of making 14 when adding together four unique digits from 1-9 in our latest Kakuro-type challenge. The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid containing … Continue reading →

The Main Challenge Using the numbers 2, 5 and 10 once each, with + – × ÷ available, which ELEVEN target numbers from 1-30 are mathematically possible to achieve? This is a number puzzle associated with our popular board game, Mathematically Possible, an excellent resource … Continue reading →

The Main Challenge Here is a number puzzle similar in concept to my FlagMath card game. Many schools are now playing the various editions, so here’s a taster: Each of the eight letters, A-H, in the two sections contain a calculation with … Continue reading →

The Main Challenge One from our range of Mathelona number puzzles now available in pocket book format. Your task is to make all three lines work out arithmetically by filling the 12 gaps with the following numbers: 0     0 … Continue reading →

The Main Challenge Try this 10-step number trail involving the four arithmetical operations and all the numbers from 1 to 10. Start off with the number 27, then:  divide by 3  subtract 1  multiply by 6  add 2  ÷10  +8  –9 … Continue reading →