. . . involves number combinations and addition, both necessary to master if players are to successfully complete the fabulous Kakuro puzzle.
As well as 9871, list the five other ways of making 25 when adding together FOUR unique digits from 1-9.
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.
The 2nd column of the playing board contains the following seven numbers:
2 10 16 33 45 48 70
Using these seven numbers exactly once each, with + – × ÷ available to use in your calculation, can you arrive at the target number of 100?
Make 359 Challenge
Can you arrive at 359 by inserting 2, 4, 6, 8 and 10 into the gaps below?
(◯²×◯)–(◯×◯)÷◯ = 359
Answers can be found here.
Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.