You have a set of the digits from 0 – 9.
Can you arrange these digits in the five boxes below to make two-digit numbers as close to the targets as possible? You may use each digit once only.
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it. use each number once only.
Here are the top ten nations in the table of medal winners for the 2012 Olympic Games:
How does this data compare with the 2016 olympics and 2018 winter olympics?
How do you think the positions have been decided?
Could the results be presented differently to give another nation the top place?
How would this affect other results in the table?
Gabriel wrote the numbers 1-9 in a 3×3 grid.
He then multiplied together all the numbers in each row and wrote the resulting product next to that row.
He also multiplied the numbers in each column together, and wrote the product under that column.
He then rubbed out the numbers 1-9.
Did you have more information than you needed?
Can you fill one of these grids? One of them has more than one solution: