Puzzles
Challenge:
Some numbers are sums of consecutive numbers. For example: 10 = 1 + 2 + 3 + 4
Can you make all the numbers this way?
Which numbers can be written in more than one way? For example: 9 = 4 + 5 and 9 = 2 + 3 + 4
Source: NRichmaths.org
Categories: Elementary