•  

    2024- 2025 

     

    Archived Problems of the Week

    Solutions

    The First Olympics The first Olympics took place in 1896.
    Missing Numbers Triangle There are 5 different sums that work. The sums could be: 17, 19, 20, 21 and 23. For examples, look here.
    Library Books Valeria could have borrowed 2 or 3 books.
    How Old Am I? The child could be 14, 25, 36, 47, 58 or 69 (and the father would be 41, 52, 63, 74, 85 or 96.)
    Counting Candy There could be 19, 24 or 29 chocolates.
    Walking Club